MIL-L-5057F (AMENDMENT 2), MILITARY SPECIFICATION: LIGHTS, INSTRUMENT, INDIVIDUAL, GENERAL SPECIFICATION FOR (15-DEC-1989) [S/S BY SAE-AS50571]
MIL-L-5057F (AMENDMENT 2), MILITARY SPECIFICATION: LIGHTS, INSTRUMENT, INDIVIDUAL, GENERAL SPECIFICATION FOR (15-DEC-1989) [S/S BY SAE-AS50571].