I checked Amazon Prime for Chaos on the Bridge and it's not even available to rent.
It's not even on Netflix-by-mail and that has almost everything!
I just checked an apparently it is only on Vudu and iTunes. WTF?
CBS/Whoever picked over Paramount have done a terrible job of treating Star Trek's back history and related products*. Like, CBS All Access just removed a bunch of Star Trek movies. Thankfully I got a chance to rewatch Undiscovered Country before they pulled it. Now they only have Voyage Home, and the TNG movies sans Insurrection.
*Like, Dr Who got a massive shindig for its 50th anniversary, while CBS did basically nothing for Star Trek's 50th. (Which is sort of understandable given, per Valka, the bad blood between CBS and the fan community after the Axanaar fan film debacle.)
Was the triple-nacelled 'dreadnaught' class of ships from the TOS era ever made cannon? This beauty was featured in old technical manuals and I think a novel plot or two but I'm not sure if it was every officially acknowledged:
It was never officially acknowledged, but it generally accepted as canon due to the lack of other ship designs from that period.
(I only treat things seen on screen as 'official' as I've never played any Star Trek video games or read any Star Trek books besides a novelization of The Motionless Picture.)
Three other Constitution 'kitbashes' from the
Star Trek Technical Manual did *technically* appear on screen.
https://www.ex-astris-scientia.org/articles/sftm.htm
The Saladin (one nacelle below saucer), Hermes (two nacelles below saucer like the Reliant), and Ptolemy (a tug) appear briefly in the background on display screen in Search for Spock.
Outside cargo ships/ alien of the week ships, I believe every original-timeline ship that is clearly identifiable has two warp nacelles. A bunch of single-nacelle ships appear as wreckage in Best of Both Worlds, but they were never intended to be visible beyond starship shaped blobs.
https://www.ex-astris-scientia.org/articles/wolf359.htm
I *think* the Enterprise-D got a third nacelle in the alternate future of the TNG finale but I can't remember.
Yep, it did:
(skip ~1:40)
It also got some fins and a phaser-lance that was capable of punching through Vorchas. It also got a cloak.