It stops AI and player leaving hangers very annoying. (Mabye have dead tanks and vehicles despawn after a certain amount of time after being destroyed)
#dead tanks block hangers
worn tide
raw bobcat
If single player oof that some bad luck.
If mp, it's called tactics. Since that's pala hwy and your bdf, a pala player parked friendly tanks in front of the spawns after they lost them. Denying you nice things.