UNITS
Before we go further, I wanted to make one point absolutely clear: I will not, in any way, attempt to reproduce SMAC's unit-building system. While I loved that system, I don't see how it can be implemented well into the Civ 5 engine without some massive recoding, and given Civ's new Promotion system there's less need.
In the core game, there are something like ten unit Combat Classes (Armor, Gunpowder, Mounted, etc.). I've added five more:
Psi: Bioengineered alien units from Alpha Centauri. There are five of these (four buildable by players), covering the basic combat styles.
These didn't come from AC directly; the genomes were transmitted and they were built on Earth by placing constructed genes in various Terran lifeforms. This is why Centauri Empathy, the technology that grants Mind Worms, depends on a non-Centauri tech, Gene Splicing.
Psi units, while a distinct unit type, can be of any Domain and can mimic pretty much any other unit type. So you can have a Psi naval unit, a Psi melee unit, and so on. While Psi is a unit type, it is also a Promotion that all units within this type get. The most important characteristic of Psi units is the "psionic combat" system; Psi units' base combat strength will adjust up or down by up to 25%, depending on the strength of their opponent (so Psi units get stronger against powerful foes and weaker against weak units), although they get +10% when attacking to help make up for any decrease.
These units are constructed with both production and food (like Settlers), gain XP at double the normal rate (but don't generate Great General points at all), and they regenerate at least 2 HP per turn even if they take other actions. They also make fantastic Raider units, as they can enter rival borders and will have the Hidden Nationality trait once that is working; however, to reinforce this role, all Psi units get a -25% penalty when adjacent to an allied unit. They're not very good as part of a huge attack wave, but very strong when raiding alone. This makes them very dangerous Barbarian units, which is good since they basically take over the Barbarian role in the future eras.
In most cases, their combat strength isn't an even match for comparable "mundane" heavy units (Mindworms have considerably less power than the strength 70 Modern Armor despite coming later), although Psi units automatically adjust their base strength against various foes to make up for this. They're very limited in which promotions they can pick (none of the exotic ones, just the basics like Shock), and they never upgrade. But if you want something that can drive a more powerful rival crazy, they're ideal, and they build up experience so quickly that the extra upgrades of Shock and Drill they'll have can become enough to swing the balance in their favor in any individual fight.
There are two promotions (Trance I and Trance II) that give +25% versus Psi units, and a few Wonders that help as well, but their biggest advantage is that they're not one of the more common unit types, and only one unit (the Troll) has an inherent defense bonus against Psi.
All Psi units start with one free "mutation" promotion, randomly selected from a list for each type. Barbarian-trained "Wild" Psi units get 2-3 of these promotions, as well as other benefits.
Energy: Infantry. Basically, the future equivalent of Gunpowder units, although with a bit more variety. There are 6 units of this type, all land-based, although the Labor Mech is not really designed for heavy combat.
While they don't have much more firepower than a Modern-era unit (ranging from 45 for the Laser Infantry to 70 for the Assault Powersuit), they tend to be loaded with special abilities and free promotions. For instance, the Assault Powersuit gets +50% versus armor, has better odds of intercepting aircraft, can paradrop, has 3 MP and only spends 1 MP per tile, and is amphibious.
Titan: The endgame units, replacing the Giant Death Robot. There are six classes of these in the game, although only four of them are true combat units and two of the six aren't actually classed as Titans. Each costs as much as a Wonder, but they're worth it. (Also, building a Spaceship Factory boosts production of Titan units by 25%.) Also note: you cannot rush or purchase a Titan. They must be built, fully, the old-fashioned way.
Titans, like the Energy units above, are loaded with special abilities, and Titans also have access to practically every promotion in the game. They have higher maintenance costs than regular units, though.
As an example, the first Titan unit is the Bolo (T20). (If you have to ask where the name comes from, turn in your geek card.) 150 combat strength, a bombardment rating of 75, and a ton of promotions (+10% vs cities, indirect fire, amphibious, all terrain 1MP, movement of 4 MP, gets two attacks per turn, and +20% interception rate against aircraft) but it costs 2000 hammers, more than most Digital-era Wonders and more than double what an infantry unit of comparable technology costs. Also, it doesn't get terrain defensive bonuses, because it IS the terrain.
Other Titans are similar; generally speaking, they're the equal of at least two normal units. No units ever upgrade to Titans, no Titans upgrade to anything, and there are no selectable anti-Titan Promotions (barring any anti-Psi promotions used against a Nessus Worm or the inherent anti-Titan ability of the Ranger).
All Titan units start with +10XP, attack twice per turn, are immune to nukes, and have the "Damage Reduction" promotion, which reduces all incoming damage by 1 point per fight.
There are two other new Unit classes: Multirole (used only for the Needlejet) and Orbital (used for the satellite weapons). Both are Air types; Multirole units have both Fighter and Bomber promotions, while Orbital weapons use the artillery-style "Rough/Open" ranged promotions instead of the land/sea/city ones of the Bombers, and are nearly impossible to intercept. Other than that, they both act like normal Air unit types, with the usual rebasing, immobility, etc.
This is not to say that all new units are in these classes; I've added quite a few Armor units, a couple Navals, and even a couple Gunpowders.
One of my key design philosophies for the units is that most of the early-future units shouldn't be substantially STRONGER than modern units; someone with these isn't going to just flatten the Modern-era civs (until Titans, which are designed for exactly that sort of brute-force approach). But the units are loaded with special abilities that make them far more useful and flexible; most have much better mobility and few have any explicit drawbacks, although most Titan units lose the ability to get a defensive terrain bonus (because they're just too big to hide behind terrain).
The upshot of this is that once a civ reaches the modern era and has Modern Armor, Stealth Bombers, Mobile SAMs, Rocket Artillery, and Mech Infantry, it should be good enough to put up a reasonable defense even against a Fusion-era civilization. And so, a well-played Digital or Fusion army that takes advantage of all the special abilities will wipe the floor with a poorly-led one without those tools.
The full list of units, in order of technology:
INDUSTRIAL ERA:
Combat Engineer (Dynamite): An upgrade of the Worker. Works at 150% speed, has 3 movement points, moves like a scout (all terrain 1 MP, amphibious), but costs substantially more. This does NOT obsolete the Worker right away, though; I waited until the Digital Era to obsolete those, because they're so cheap to build. This is the last resourceless worker unit, so the AI will have many of them in the late game. Note that unlike the standard worker, Combat Engineers cannot be captured; they simply die if attacked, because they won't switch allegiances.
MODERN ERA:
Several existing units were modified.
The Anti-aircraft Gun and Mobile SAM now have the "Melee Penalty" promotion, making them weaker vs. non-air, non-ranged units and cities.
Mechanized Infantry (T12) had its power reduced from 50 down to 42. (Note that Infantry are 36 and only move 2, so it's still a substantial upgrade considering how few techs lie between the two units.)
Modern Armor (T13) had its power reduced from 80 down to 70. (Note that Tanks were 50, so again, still an upgrade, especially considering they're only a couple techs apart.)
Colony Pod (T14, at Globalization): An improved Settler; both can found new cities, but the Colony Pod has several significant advantages over a Settler: increased movement (3), a combat power of 50 (but can't attack), and the ability to airdrop like a Paratrooper. The Colony Pod requires one unit of Oil and one of Uranium, and cannot be purchased. You can't actually upgrade an existing Settler to the new unit, though. And since it has a combat strength it can't stack with a military unit escort; it IS its own escort. But this means it CAN stack with a Worker/Engineer.
DIGITAL ERA:
The Digital Era doesn't add a lot of units, and the ones it does add are generally not in the "bigger is better" theme common in the previous era. Several combine several previous unit types into a single flexible unit, others are basically new styles of unit designed to turn combat into less of a brute force slugfest and more of a finesse battle. Lots of raider or hit-and-run units, not as much that can stand toe-to-toe in a heavy fight.
Laser Infantry (T15): A balanced all-around cheap Energy infantry unit. No resources needed, only moves 2, and costs a bit more than half what a Mechanized Infantry does; its combat strength is 45 (just slightly more than the revised Mech Infantry), but it gets an inherent +20% when allies are adjacent. Inspired by the infantry in Starship Troopers; the movie, not the book. With the ever-increasing costs of units, I figured there should be at least one unit that can easily be constructed in your fringe cities that find themselves under attack unexpectedly.
Mind Worms (T16): As mentioned above, a cheap Psi land unit. Great raiding unit; it's outgunned by most combat units but builds up combat strength very quickly though normal promotions. I really want them to have the Hidden Nationality trait, so that if the game ends up stalemated you can start flooding the other side with cheap units he can't declare war over.
Stealth Ship (T16): Naval unit, combines the best features of Submarines with Destroyers and can carry missiles like the Missile Cruiser. Basically a sub that can bombard land targets, which makes it VERY hard to stop if you don't build a navy.
Plasma Artillery (T16): The game's final true Siege unit. Besides being an excellent mobile artillery unit, with a movement of 4 and great bombardment strength, this is also the last true anti-air unit in the game (upgrade of the Mobile SAM). Very handy to have, after an era dominated by bombers and such, a good anti-air unit that can still fight back in other ways. There are quite a few later units with bombardment attacks, but no more true Artillery units after this, so you'll continue to use them extensively until the end of the game.
Doppelganger (T17): Energy unit that, at the start of each fight, can steal a promotion possessed by its opponent and keep it permanently. Handled well, this can become an extremely strong unit. Starts off very weak, but regenerates.
Golem (T17): A Melee unit. It's very cheap, and only has 40 combat strength, just enough to keep from getting wiped out by ancient-era leftovers. But these constructs regenerate, heal fully if they kill a foe, get a bonus against cities, require no unit support costs, and act as Workers at 75% of normal speed; they can't build specialized improvements (Pastures, Quarries, Plantations), but can do Farms, Mines, Roads, etc. just fine. Great in an era where you don't need many new terrain improvements and don't want a bunch of defenseless Workers clogging up your empire.
Also, Golems can be sacrificed in a city to rush production; while the amount they give isn't nearly as much as the Great Engineer gives, it's approximately equal to what the Golem cost in the first place, so you can use them as a way to transfer production to your outlying cities or "disband" them once they're no longer needed.
Scout Powersuit (T17): Energy infantry unit, a cross between Mechanized Infantry and a Scout. Only 50 combat strength, but +50% versus Gunpowder units, 4 MP, all terrain costs 1 MP, is amphibious, +2 visibility, and can paradrop. Inspired by the infantry in Starship Troopers; the book, not the movie. 50 strength isn't enough to really hold up in a fight against modern tanks and such, although the Gunpowder bonus helps you clean out any leftover Mechanized Infantry. And while you don't need terrain recon now that the map has been revealed, there IS a good use for "spotters" for aircraft, artillery, and long-range missiles, especially nukes.
Vertol (T17): upgrade of helicopters. Siege unit, a whopping 7 movement points, only 50 defensive strength but it has a 70-strength range-1 attack. It also gets +50% versus Armor, and it can move across all terrain for 1 MP including oceans, something no other units can do before the Nanotech Era. It can't capture cities, though, and gets -33% when attacking them. Since it is not a Helicopter type, anti-air units have no bonus against it. Inspired by the AV-4 from Cyberpunk, basically an armored car with a Harrier's VTOL engines. Note that because of its ocean ability, it must be built in a coastal city, although inland you could just build a normal Gunship and then upgrade.
Skimmer (T17): A futuristic upgrade of Mech Infantry that can do a little of everything. Armor unit, 56 strength, 4 MP, all terrain costs 1 MP, and can move after attacking. It gets a +50% Interception bonus, allowing it to engage aircraft targeting nearby units or cities as if it were an anti-aircraft unit. Inspired by the "combat cars" from the Hammer's Slammers novels, but really it's that I didn't like how the cavalry line sort of petered out and the Gunships were too specialized to take the role. A good all-around support/skirmisher unit.
FUSION ERA
This is nearly the exact opposite of the previous era; quite a few of the new Fusion Era units are brute-force combat units, the kind of things designed to be used in a major war. Frankly, I expect this era to be one with LOTS of high-attrition wars, which is good since these units are more resource-heavy than before.
Isle of the Deep (T18): aquatic Mindworms. While slow, they have good defense against bombardment, regenerate health well, and have a very strong bombardment attack that isn't limited to sea targets. Park one of these off the coast of a city and it can work wonders. The one thing they lack is range. Note that the Psi strength adjustment does NOT apply when making ranged attacks; only the Isle's defensive strength will do so.
Needlejet (T18): what you get when you cross a bomber with a fighter. The last true Air unit, the Needlejet is basically a fighter with excellent ground attack abilities and Stealth-like evasion, with less of the drawbacks of the earlier air units. I wanted the various air units to upgrade to something useful, just like I did with the Naval units. These are the most cost-effective bombardment unit, even after Orbitals come out, but they feel like Cavalry, a sort of "end of an era" unit that will become outdated fairly soon after.
Leviathan (T18): Naval unit, combines a Battleship with a Carrier. Basically a carrier that can bombard land targets, but also has good anti-air ability. With the ever-increasing range of aircraft and the eventual addition of orbital weapons, pure carriers aren't very necessary outside of "beachhead" assaults, but they have enough bombardment range to supplement artillery on most maps. Unlike the units that upgrade to them, Leviathans can also see submarines. This allows you to upgrade your existing heavy naval vessels into something useful; the Battleship and Carrier were weak against aircraft, too slow, and/or too specialized.
Note: these are the last naval units in the game. At higher techs, quite a few units can fly over water or airdrop as necessary, and orbital weapons take over the "artillery" role, so there's little need for further naval units on offense, although they're still important for pillaging water-based resources like Dilithium.
Assault Powersuit (T18): Remember the Scout Powersuit, above? It's like that, but more so. 70 combat strength, only 3 MP, but +50% versus Armor instead of versus gunpowder and it doesn't get the visibility boost. That anti-Armor boost means that an Assault Powersuit actually outguns the Gravtank, slightly, in a straight fight.
Planet Buster (T18): ICBM. Same basic effect as the Nuclear Missile, but it's got unlimited range and SDI is half as likely to intercept.
Chiron Locusts (T19): Helicopter mindworms. 70 strength and a movement of 6 is nothing to sneeze at in a commerce raider unit, especially one that can regenerate health; they also get +25% versus wounded units, dangerous in a regenerating raider. While these are outgunned by most Armor units, they actually compare favorably to the infantry of their era. They don't have many inherent promotions, but the double-XP-gain of Psi units makes them kind of scary if they can survive for a bit.
Geosynchronous Survey Pod (T19): A cheap infinite-range recon unit. No damage, but it gives a huge visibility radius around whatever city it's currently "based" in, and can move to give visibility anywhere in the world through a very quirky method of movement that snaps it back at the end of the turn, AFTER the opponent has had a chance to kill it (with the ability to spot submarine units as well, if you're short on Destroyer-types). Great if you're getting ready to bombard a city but don't have anything in the area to spot for you.
Gravtank (T19): The final true Armor unit. 90 strength, 4 MP, all terrain costs 1 MP, but costs 1000. While these can still be outgunned by dedicated anti-armor units or bombarded down from range, it's an all-around capable heavy unit. While it's only one tier before the first Titan units, you'll have plenty of Modern Armor around to upgrade into these, so it'll make a big difference right away. It's also much cheaper than a Titan, in both hammers and resources.
Mobile Shield (T19): A unit that makes all adjacent friendly units stronger; besides a general defense and healing increase, the shield bestows an anti-nuke, anti-orbital promotion on all nearby units. As an added bonus, it's on a hover chassis, so all terrain costs 1 MP.
Ranger (T20): A bioengineered Human with the unobtrusive genetic modifications needed for special-forces combat. Only 65 strength, but it gets +25% in forests or jungle, +25% versus Titans (the only unit to get an anti-Titan bonus), mindworm-like regeneration (2-3 HP/turn), and a massive +50% when attacking in ANY terrain. While it doesn't have the now-ubiquitous "all terrain 1 MP" ability, it does have the Commando ability to use enemy roads. Finally, all Rangers have a 10% chance to deal an automatic 5 damage to their opponent at the start of any combat. Very expensive, at 800 per unit, but starts with +30XP. Not nearly as fast as the Skimmer or Vertol, but an excellent first-strike unit for any heavily fortified front line and a good anti-Titan unit.
Troll (T20): A human who has been heavily adapted for high-gravity and hazardous conditions; unlike the Ranger, a person choosing the Troll conversion has given up attempting to still look human. Like the Ranger, this is a 65-strength unit that costs 800 and starts with +30XP, but where most other units are optimized for offense, the Troll is all about defense: +50% when defending, another +50% versus ranged attacks, +25% versus Psi units (the only unit with an anti-Psi bonus built in), and the Troll regenerates FULLY every turn regardless of what actions he takes. Also, Trolls have a 10% chance of healing 5 damage at the start of any fight. In a fort or Citadel or at a choke point, these become practically impossible to budge; forget about bombarding them down. They're also good as the first-wave attacker in a tough city assault, since they'll fully heal afterwards and aren't very vulnerable to counterattacks. But their mobility is lousy compared to any other Fusion era unit, although they can move across mountains, so you'll primarily use them within your own rail network.
Bolo (T20): Mentioned above, this is the first Titan unit. Basically, take a Gravtank and double it; it's a lot like getting a Giant Death Robot in the core game (150 strength), where it's practically unstoppable if supported right. Like most Titans it adds a bombardment attack as well; it's a relatively weak one, compared to other Titans, but "weak" still means a 75-strength bombardment capable of wiping out practically any weaker unit caught in the open field. Effectively, this is a 1-unit invasion force, capable of taking down a city single-handedly, and is designed to be the spearhead when attacking a heavily fortified defense line.
Quantum Missile (T20): Non-nuclear missile. Good damage, especially against Titans; when used against units in the open, it also damages all adjacent enemy units and places fallout in the target's hex.
Orbital Ion Cannon (T20): Orbital weapon. The damage isn't very impressive (only 50 strength, with a free EMP promotion), but again, you can hit pretty much anything indiscriminately. This effectively takes over the Air units' "pick off the retreating skirmisher units" role, and is great for a first shot to soften up an even-match opponent, but it's not going to be killing any modern units outright and its damage against cities of this era is pathetic.
Labor Mech (T20): a super-Worker unit, builds at 200% speed. It's actually an Armor unit with 50 strength, so it can defend itself pretty well, but it's not cheap. Workers and Engineers upgrade to this directly (but since it costs Dilithium, not always), and Workers obsolete when these unlock, so in the Nanotech era many of the AI's workers will become these. Most importantly, the Labor Mech can perform some of the more advanced terraforming options, which Combat Engineers can't. The combat power is essential in an era when each side is raiding the other with psi units or vertols, and pillaging everything in sight. It's also nice to have a construction unit you can send in with the combat forces, to repair the damage caused by your invasion, taking over that role from the Golem.
NANOTECH ERA
Nearly every unit in this era is a Titan, a massive, expensive engine of pure destruction. If you like military conquest then you've probably already won by this point, but if you haven't, these are "Game Over" units.
Nessus Worm (T21): It's Godzilla. Seriously, it's an amphibious Psi unit that acts more like a Titan. 140 defensive strength and a 100-strength range-1 attack, can travel on any terrain (including oceans) for 1 MP, and regenerates its health fully each turn. One of these comes out of the ocean and levels Tokyo on a regular basis. (As a Psi unit, it'll have the hidden nationality and ability to enter borders without a war, eventually.) But it's not cheap, at 1500 hammers, and it's the last combat unit without a long-range attack. Conversely, it has a massive bonus when attacking cities, so unless the defender has loaded up on defense buildings, a Nessus Worm can often one-shot a city (but can't capture one); a smart defender won't let it get close. The Nessie's other advantage is that it only requires only Omnicytes, and no Dilithium or Neutronium (which tend to be in shorter supply in the late game).
Combat Mech (T21): It's the Giant Death Robot, souped up. A Titan that specializes in bombardment; only 100 strength, but a staggering 120 bombardment strength (with a range of FOUR), and it can carry missile units. Also, it has a big anti-air boost, can see 2 hexes further, and has the usual "all terrain 1 MP" ability. With that firepower, it can generally take a defending city down to 1HP for other units to deal with, and do so at range while taking no damage.
Former (T22): A Titan unit that doesn't fight. It has heavy armor (combat strength 100 but can't attack), it builds Improvements like a Worker at 500% normal speed, and it has access to Terraforming options that smaller workers don't have. A Former can turn hills into plains, snow into tundra, tundra into plains, deserts into grassland, and it can plant forests and jungles. It can move across water as well, which allows it to place water improvements like Fishing Boats without sacrificing itself.
Orbital Death Ray (T22): The Orbital Ion Cannon, dialed it up to 11. 150 combat strength that can hit anywhere in the world and gets a large bonus when attacking cities, but it costs 1400 hammers. While not technically a Titan, it's comparable in price. Unlike the Ion Cannon, this CAN one-shot most non-Titan units. It's horribly expensive, of course, but worth it.
Subspace Generator (T23): What do you get when you cross a Death Ray with a Nuke, and then make it a Titan? Instead of a single-target attack, this unit drops a level 2 (Nuclear Missile-equivalent) nuke anywhere in the world each turn. It costs a 3000 hammers, more than most land-based Titans, but given time one of these will level an empire. (Which is good, since you can only have one.) It's completely impossible to intercept, of course.
There are a couple buildings that reduce the effects of nukes, so by the time you get this, your opponents' cities will often be nearly immune to nuke damage. But that doesn't stop you from nuking their terrain instead; you can easily cripple opponents this way. And unlike earlier nukes, SDI-type projects have no effect on Subspace Generators.
Gravship (T23): the ultimate weapon. Concept-wise, take the Terran Battlecruiser from Starcraft. Then add fighter bays. 200 combat strength, 200 ranged attack, moves 5 hexes across any terrain (including oceans), repairs itself by 2-5 every turn, and is basically immune to air units. It also acts as a Great General, buffing anything else nearby. But it costs 4000 hammers, and you can only have ONE. I would KILL to have the game play the Starcraft "Carrier has arrived." soundbite when you build a gravship.
Barbarians and City-States
The only units listed above requiring no strategic resources are the Combat Engineer, Laser Infantry, and Geosynchronous Survey Pod. Because the minor factions have limited access to strategic resources, special units were created just for them.
Barbarians have access to "Wild" versions of the four Psi units, the Mind Worms, Isle of the Deep, Chiron Locusts, and Nessus Worm. These units are identical to their player-made counterparts, except that they require no resources and begin with additional "mutation" promotions to make up for the lack of +XP buildings for the barbarians. There's also one additional unit unique to Barbarians, the Spore Tower; once the "Breakout" occurs, each turn has a chance of a Spore Tower spawning somewhere in the world. If it's not killed, then each turn the Spore Tower has a chance of spawning various more Psi units. Killing a Spore Tower gives a player 100-200 gold, depending on era, as well as stopping the flow of new units; Spore Towers, however, possess good artillery and defensive abilities and so take some effort to kill.
City-States have access to "Secondhand" versions of the Tank, Modern Armor, Fighter, Jet Fighter, Helicopter Gunship, Rocket Artillery, Plasma Artillery, Stealth Ship, Skimmer, Vertol, Needlejet, and Gravtank. These units are noticeably weaker than their player-made counterparts, but again, require no resources. On the plus side, most Secondhand units can repair improvements or clear fallout, to help offset city-states' defenses against nukes.
These units are treated as Unique Units for these nonplayable civilizations. Players cannot make them, even if you'd rather have that resourceless alternative.
Promotions
For Promotions, I've added four selectable ones:
Trance I and II (+25% vs Psi units), available to anyone. You can't really get an anti-Psi bonus any other way.
Soporific Gas / Soporific Bombs (+15% versus Gunpowder, Energy, Mounted, Melee, Recon, and Archer units), available to Armor, Siege, Helicopter, Air, Naval, and Titan units.
EMP (+15% vs Armor, Naval, Siege, and Air units), available to Gunpowder, Energy, and Titan units.
Note that neither EMP nor Soporific hurts Psi or Titan units.
However, I've added far more promotions. Several wonders and buildings (Command Nexus, Citizen's Defense Force, Bioenhancement Center, etc.) add free promotions, either to all units trained in that city or to all units everywhere. Others (Hunter-Seeker Algorithm, Space Elevator) add temporary promotions to certain units under certain conditions. Psi units get a unique "Psi" promotion that gives the benefits of the type, above, Titans and Orbitals each have a unique class promotion as well, and many other units have type-specific promotions.
. I'm not sure if this goes here, but it's the closest I think. After a few games, I've noted the tech stealing mechanism, and I feel that it kind of ruins all that I loved about civilization. I'm a tech-muncher, so I used to love keeping at least 10-15 techs ahead of the other civs. The idea of the mechanism is nice, it helps bring other civilizations in the same tech range as you, though I think it's a bit overpowered. 3% to learn a tech if everyone has it is quite a lot, especially if it's PER tech. Basically this means that throwing your tech out the window doesn't have such an impact as it used to...
... 
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