There are non playable vehicles and things in the game.
C-130 Hercules 4 must be protected but 3 are smuggling aircraft
Ann-225 Cossack in one mission the player must shoot 3 of them down due to nuclear weapons
T-90 Enemy tank
Aircraft Carrier Always protect that ship but one mission the enemy carrier must be sunk
Oil Tanker IN some missions they must not be sunk
Oil Rigs In some missions protect them
Typhoon Sub Enemy sub that threatens various of things that Downtown must guard
PT Boat Good in numbers because they got light weapons
Tu-95 Bear Bombers that threaten everyone
APC A vehicle the player must protect against various foes
AA gun enemy guns that shoot the jets
Heavy SAM Launcher defense against aircraft
Light SAM Launcher Defense against Air
Radar Jammer These things cause radar problems and make missiles useless
Air Refueling Aircraft in one mission the player must bomb them while they are on the ground
Tu-26 Backfire The bomber that must be destroyed and it sits on the tarmac