Four-F a selective service designation for individuals unfit for the military.
pugnacious eager and ready to fight; quarrelsome; combative.
terse concise; free of superfluous words.
I.P. Initial Point: the place at which the squadron begins its actual run on the target.
cacophony harsh, jarring sound; dissonance.
cajolery coaxing with flattery or insincere talk.
