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.
Soviet and Russian military special forces. The elite units of the Soviet Armed Forces and Armed Forces of the Russian Federation are controlled, for the most part, by the military-intelligence GRU (Spetsnaz GRU) under the General Staff.