MIL-C-81590 (AMENDMENT 3), MILITARY SPECIFICATION: COCKPIT CANOPY SYSTEM, FIXED WING SINGLE AND MULTI-PLACE, FIGHTER, ATTACK, AND TRAINER AIRCRAFT, GENERAL SPECIFICATION FOR (22 NOV 1974)

MIL-C-81590 (AMENDMENT 3), MILITARY SPECIFICATION: COCKPIT CANOPY SYSTEM, FIXED WING SINGLE AND MULTI-PLACE, FIGHTER, ATTACK, AND TRAINER AIRCRAFT, GENERAL SPECIFICATION FOR (22 NOV 1974).