Thumbs down- Enemy
Lateral hand up and down- Roger
Horizantal hand left and right- Negative
Point to person- You
Hand in shape of gun- Shoot, cover, fire
Arm in 90 degree shape hand in fist- stop
Palm down, up and down motion- get down, stay down
Point in direction- that way
Finger countdown- go on 0
Palm down circular motion left/right- flank left/right
Tap head twice- head count
Fingers up- numbers
Couger symbol- enemy