French armies lost the battle of Dien Bien Phu because they were on flat ground surrounded by mountains, that were occupied by Indochinese armies (former Viet Nam).
Huh, I haven't ever understood why French generals put their armies in such a place... I think they had been compelled to.
Anything on the ground, not fortified with anti-aircraft battery, and not holding a stinger missle should be defenseless against an air attack. Nothing like watching a rifleman or partisan in the field damage, let alone take down, a bomber. MedMod2 had a solution for this. Guess Wes schooled Sid!!