Game Version number: Experimental 1.2.1.76 (Steam)
Modded?: No

Issue Description:
When spawning in certain vehicles with AI, they either spawn with the incorrect characters for them or don't spawn any characters at all.

Here is the list of vehicles that spawn incorrect characters or don't spawn anyone:
US:

• M997 ambulances spawns in a US rifleman and grenadier, when they should be medics. Also the medic seat in the back does not spawn anyone
• UH-1 transport helicopter spawns no one
• UH-1 armed helicopter only spawns the gunners, however they are Soviet soldiers

USSR:

• UAZ-469 with PKM spawns a US soldier as the gunner
• UAZ-452A ambulance spawns no one
• All Ural-4320 trucks do not spawn a driver
• Mi-8 transport helicopter spawns no one

FIA:

• All UAZ-469 cars spawns Soviet soldiers for the driver and the front passenger seat, as well as a US soldier for the gunner seat for the armed versions
• Ural-4320 transport truck (canopy) spawns in Soviet soldiers as passengers for the back
• The arsenal, ammo, repair, and construction Ural-4320 trucks spawns Soviet soldiers and no driver
• BTR-70 spawns in a Soviet soldier as the gunner

Civilians:

• All UAZ-469 cars spawn Soviet soldiers
• All Ural-4320 trucks spawn Soviet soldiers
• All S1203 minibus spawn two US soldiers as passengers
• S105 cars don't spawn any one

Here is a picture of one of the vehicles (UAZ-469 with PKM for the FIA) with incorrect spawned characters: