MIL-D-2759E, MILITARY SPECIFICATION: DEAD RECKONING TRACER (DRT) (NAVAL SHIPBOARD) (18-DEC-1987)

MIL-D-2759E, MILITARY SPECIFICATION: DEAD RECKONING TRACER (DRT) (NAVAL SHIPBOARD) (18-DEC-1987)., This specification covers the design of Dead Reckoning Tracer (DRT) for use in Naval ships