In order to tighten the fuzes to the projectiles, and set times on the various time fuzes, a number of wrenches, and setters were used. The simplest device was the M16 J wrench. It could be used to tighten rounds to projectiles, and even used to set times on the fuzes, although this practice was frowned upon by command. A fact known all too well by this webmaster. The M18 fuze wrench was the workhorse. Used to tighten fuzes to the rounds, the handle also had a straight slot screw driver that was used to set the PDSQ fuze to delay.
Freebase(0.00 / 0 votes)Rate this definition: Spetsnaz. Spetsnaz is an umbrella term for special forces in Russian; its literal meaning is special purpose forces. Historically, the term referred to special military units controlled by the military intelligence service GRU. It also describes special purpose units, or task forces, of other ministries in post-Soviet countries.
The Mikoyan-Gurevich MiG-21 (Russian: Ð¼Ð¸ÐºÐ¾ÑÐ½ Ð¸ Ð³ÑÑÐµÐ²Ð¸Ñ Ð¼Ð¸Ð³-21; NATO reporting name: Fishbed) is a supersonic jet fighter aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union.he MiG-21 was also used extensively in the Middle East conflicts of the 1960s, 1970s and 1980s by Egyptian Air Force, Syrian Air Force and Iraqi Air Force. The MiG-21 first encountered Israeli Mirage III Cs on 14 November 1964, but it was not until 14 July 1966 that the first MiG-21 was shot down.