Commonly used as airplane or engine. Maskenball – German slang for fighting with NBC-protective gear, or at least with gas mask Maultier – Sd.Kfz. 4 half-track truck, German for mule Maus – "mouse"; nickname for a large, Porsche-designed super-heavy tank, the heaviest tank ever actually built and tested, that never passed beyond prototype stage. Maybach (M) – a German automotive and engineering company. Melder – runner Meldereiter – horse despatch rider Metox – radar warning receiver (named for manufacturer) fitted to U-boats; superseded by Naxos-U Milchkuh – "milk cow", nickname for the Type XIV resupply U-boat. Militär – military. Militärnachrichtendienst – military intelligence. Mine (pl. Minen) – an anti-personnel, tank or ship mine. Mineneigenschutz (MES) – ship's degaussing cable; literally "mine self-protection". Minensuchboote (M-boats) – large minesweepers. Mißliebige – undesirables. Mitarbeiter – assistant clerk Motorkanone – engine-mounted autocannon armament firing through a hollow propeller shaft on inline-engined fighter aircraft. MP(i) – sub-machine gun Mörser – mortar Munitionskanonier – ammunition handler Munitionsschlepper – ammunition carrier. Munitionsschütze – ammunition handler Mütze – cap or small hat, such as the M43 field cap, also known as the Einheitsfeldmütze. N Nachricht(en) – signals / news / communication, also intelligence. Nachrichtendienst – intelligence Nachrichtenoffizier – signals officer Nachrichtentruppen – Signal Corps. Nachschub – supply Nachschubtruppen – supply troops. Nacht und Nebel – "night and fog"; code for some prisoners that were to be disposed of, leaving no traces; bei Nacht und Nebel (idiom) – secretly and surprisingly, at dead of night. Nachtjagdgeschwader (NJG) – night-fighter wing/group. Nahkampfmesser – close-combat fighting knife. Nahverteidigungswaffe – "close defense weapon"; an attachment to Panzers to combat close-assaulting infantry. Nashorn – "rhinoceros", nickname for a type of tank destroyer. Nationalsozialistische Führungsoffiziere (NSFO) – National Socialist Leadership Officers. Naxos radar detector – the FuG 350 radar detector set; "Naxos Z" was developed for night fighters, "Naxos U", was provided to U-boats, to locate Allied H2S microwave-band radar transmissions, not able to detect American H2X radar gear. Nebelwerfer (Nb. W) – "fog thrower"; rocket artillery, multi-barrel rocket launchers that could be used for smoke or high-explosive projectiles. Neptun radar – Low-to-mid VHF band (125 to 187 MHz) airborne intercept radar for night fighter aircraft, to take the place of the Lichtenstein SN-2 unit, which had been compromised by July–August 1944. Niederlage – defeat. "Nicht Schiessen" – Don't shoot in German Norden – north. Notsignal – distress signal. NSKK – the Nationalsozialistisches Kraftfahrerkorps,