Military term for the person in charge of paratroopers as they exit an aircraft
AIM  Airborne Intercept Missile (U.S. Military); AIPD  Army 
Institute For .... EP); Exfil  Exfiltration (Opposite of infiltration; exiting undetected) 
... Head Motherfucker In Charge  colloquialism for the highest-ranking person... [DOC] [TLE] 'Elite' military units: Army Airborne (paratroopers)  John T. Reed [PAR] Oct 5, 2015 ...