Update 27: Movement, U.S. targeting aircraft, ZU23 nerf vs land units. — Vietnam War Steam update #776287

* Attempt to prevent player flying of hilltops and getting thrown far away from force of explosions (since movement was updated) has been added. * Soldiers should now also be prevented from gaining unrealistic speeds sometimes right after climbing hills or obstacles. * All soldiers should now be able to target all enemy airplanes and helicopters if they have appropriate weapon. * U.S. Player can now spot aircraft for squad and nearby soldiers. * All MG in land vehicles operated by AI should now stop firing if vehicle is destroyed. * Machine gunners in vehicles have now been told not to shoot unarmed civilians. * ZU23 nerfed vs ground units: now has reduced detection range, slower rate of fire 60% of the time, and is way less accurate. * Swimming skill added (swim faster). * Soldiers will no longer shoot at target dummies (I might bring it back in other form later). * Player ability to XP...