Junkers Ju 87 rely on their instruments for direction. The Ju 87's standard Revi C12D gunsight was replaced with the new Nachtrevi ("Nightrevi") C12N. On some Ju 87s, the Revi 16D was exchanged for the Nachtrevi 16D. To help the pilot see his instrument panel, a violet light was installed. On 15 November 1942, the Auxiliary "Staffel" were created. By mid-1943, "Luftflotte" 1 was given four "Staffeln" while "Luftflotte" 4 and "Luftwaffe Kommando Ost" (Luftwaffe Command East) were given six and two respectively. In the first half of 1943, 12 "Nachtschlachtgruppen" ("night battle groups") had been formed, flying a multitude of different types
Nickname generic and traditional nickname, at least in England. Examples of this are: To avoid confusion between peer groups with the same given names, surnames may be used as a nickname. Also common prefixes for names can be used as a nickname: And other variations on the surname, such as: A specific incident or action can sometimes generate a nickname: A nickname may compare the person with a famous or fictional character. Sometimes, a nickname may be related to their place of origin or residence. Nicknames may be derived from or related to what the person is well known for. A