Fixed attack heli falling off the sky

Fixed the bug with infantry not despawning.
Fixed the bug with vehicle crews not despawning in some cases.
Fixed (for the third time) attack helicopter.
Fixed AA gun damaging itself when aiming up.
Some heavy tank model optimization.

Series of updates targeting critical flaws in enemy vehicles resulting in inadequate behavior.

Updated Sawyer Land Combat Missions Procedural.

Updated Sawyer Land Combat Missions Procedural.

Added 3 new mission types with infantry!
Added infantry itself.
Fixed a couple of problems with attack helicopter.

Updated Sawyer Land Combat Missions Procedural.

Added helicopters!
Those are two default-like ones, but majorly overhauled for optimization!
They will appear in two new mission types and, with a certain chance, in one of the old ones.

Updated mission spawn logic to include several zone types for some, this will make for even more possible locations for missions to spawn!
Updated thumbnail.

Added new mission type - fuel convoy intercept!
Added the updated enemy AA gun!
Fixed bug when vehicles may spawn inside one another and explode as a result.