MIL-L-26764B, MILITARY SPECIFICATION: LIGHT, MARKER, AIRPORT APPROACH, HIGH INTENSITY, TYPE MB-2 (04-MAR-1970)
MIL-L-26764B, MILITARY SPECIFICATION: LIGHT, MARKER, AIRPORT APPROACH, HIGH INTENSITY, TYPE MB-2 (04-MAR-1970)., This specification covers one type of high intensity, airport approach, marker light, designated Type MB-2.