staff intelligence specialist on the subject. Frieden – peace. Fritz-X – The Luftwaffe's radio-controlled glide bomb, precursor to today's "smart weapons" or PGMs. Fronterlebnis – front experience. Fronterlebnis was a literary genre which romanticized the war experience and the camaraderie of being 'brothers-in-arms'. Frontgemeinschaft – front-line comradeship or community; group of front-line combat soldiers. Frontkämpfer – front line soldier Frontschwein – (slang) "front pig" soldier serving long at the front, often used as an ironic accolade for a soldier with the will to fight. Compare with Etappenschwein. Der Führer – "The Leader"; title used by Adolf Hitler: Mein Führer, Der Führer. Führerbunker – (literally meaning "shelter [for the] leader" or "[the] Führer's shelter") was located about 8.2 metres beneath the garden of the old Reich Chancellery building at Wilhelmstraße 77, and about 120 metres north of Hitler's New Reich Chancellery building in Berlin. This underground bunker was Hitler's last FHQ and where he and his wife Eva Braun ended their lives on 30 April 1945. Führerhauptquartiere (FHQ) – a number of official headquarters especially constructed in order to be used by the Führer. Führersonderzug – a special train built for and used by the Führer. Führer – in the army a substitute commander of a unit or sub-unit in absence of the regular commander (see 'Chef'); in the navy a flag officer (e.g. Führer der Uboote) SS-Führungshauptamt – SS Leadership Head Office, the administrative headquarters of the Waffen-SS. Funke – 1) radio [die Funke, f., slang abbreviation for Funkgerät]; 2) spark [der Funke, m.]; the literal (pre-radio) meaning of the word. Funker – radio operator (from funken [verb], to transmit by radio). Funkgerät (prefix: FuG) – generic term for radio and airborne IFF, RDF and airborne and some ground-based radar equipment. Funkmessbeobachtungsgerät (FuMB) – radar detector. Füsilier – historic term often used to refer to light infantry, originally named after the fusil, or musket, such troops once carried. During World War II, a name given to infantry formations with some reconnaissance abilities that replaced an infantry division's reconnaissance battalion mid-war when the Germans reduced the number of standard infantry battalions in their divisions from 9 to 6. Füsilierbataillon – in the Imperial army the 3rd battalion of a Grenadier-Regiment. Its designation was F, as in F/GR10 for Füsilierbataillon of the Genadier-Regiment 10. Futtermeister – quartermaster responsible for fodder Freya radar – first operational radar with the Kriegsmarine. G Gabelschwanzteufel –