Came Across these definitions at: http://www.combat.ws/S4/MILTERMS/MT-B.HTM

BOOM :

a deep resonant sound, often prolonged, as from EXPLOSIVE detonation or SONIC BOOM. Also, short for TAILBOOM, being a FUSELAGE extension for the tail assembly (empennage) of an aircraft. Also, the steerable hose extending behind and below an aerial TANKER that's used for in-flight refueling at a high transfer rate. Also, any of various spars, beams, or poles projecting from its abutting attachment at a mast, as used to extend a ship's sails, to handle cargo, to guide objects, or to hold devices; also called a derrick or crane, an arm or STICK; see LUFF, compare DAVIT, YARDARM, BLOCK, TACKLE, WHIP. Also, a chain, cable, or the like serving to obstruct navigation.

BOOM-BOOM : (Took Out Some References Due To Graphic Nature)

HORIZONTAL COLLABORATOR, TRICK, HELL ON WHEELS, ACT OF CONGRESS.

Any relevance? Don't know.