Keywords: QSL-NN0CVL-1987.jpg en QSL card of Navy MARS station NNN0CVL aboard USS Shreveport LPD-12 confirming an amateur radio QSO using callsign N3FIB/MM with station G0HPB on 14266 kHz Own collection US Navy MARS < 1987 PD-USGov-Military-Navy Military Auxiliary Radio System QSL cards |