Imperator, if you don't mind me asking what units are you planning on making for your armies of Vietnam pack?
The list is very huge, there are Australian and New Zealand units, French units, Us units, South Vietnam units, Vietminh, Vietcong and North Vietnam regular units.
And obiouvsly armoured and artillery units for each civ:
Centurion, M113, M110, M4A1, M48 Patton, M105, M1 howitzer, Bazooka, M3T19 howitzer, M5A1 Stuart, M8 HMC howitzer, M24 Chaffee, NVA ML-20 152 mm howitzer, B11 recoilles gun, BM 21 Grad, BTR 40, BTR 50, BTR 60, Katiuska, PT 76, RPG 7, SA missile, T34-85, T 55, T62, US LVPT07, M2A1 Flametrhower, M4A1, M42 Duster, M50 Ontos, M55 SP howitzer, M60a, M101 105 howitzer, M109 howitzer, M113 TOW, M114 Howitzer, M151 TOW, M551 Sheridan, MK19 Grenade Launcher.
Other these for each civ mortar, hmg, recoilles gun, bazooka or RPG.
All the units are just finished. I'working on tedious tasking to made the renderings, the palettes and the pediaicons.