safety and arming mechanism
31United States 40 mm grenades — The United States Army has created a plethora of different types of 40 mm grenades in both the low velocity 40x46 mm and high velocity 40x53 mm calibers. Presented on this page is a basic overview.High Explosive Cartridgestandard High Explosive… …
32Two-man rule — The two man rule is a control mechanism designed to achieve a high level of security for especially critical material or operations. Under this rule all access and actions requires the presence of two authorized people at all times. Contents 1… …
33Swarming (military) — Swarming is a behavior in which autonomous, or semi autonomous, units of action attack an enemy from several different directions and then regroup. Pulsing , where the units shift the point of attack, is a necessary part of swarming. Swarming is… …
34Booby trap — A booby trap is a device set up to be triggered by an unsuspecting victim. As the word trap implies, they usually have some form of bait designed to lure the victim towards it. In other cases, however, the trap is set to be triggered when the… …
35Collision Course (Space: 1999) — Collision Course Space: 1999 episode Episode no. Season 1 Episode 13 Directed by Ray Austin Written by …
36Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …
37German military rifles — The evolution of German military rifles is a history of common and diverse paths followed by the separate German states, until the mid 19th century when Prussia emerged as the dominant state within Germany and the nation was unified. This article …
38Handloading — or reloading is the process of loading firearm cartridges or shotgun shells by assembling the individual components (case/shotshell, primer, powder, and bullet/shot), rather than purchasing completely assembled, factory loaded cartridges.… …
39Personal flotation device — A man wearing a life vest, with another life vest hanging at the lower left. A personal flotation device (abbreviated as PFD; also referred to as, lifejacket, life preserver, Mae West, life vest, life saver, cork jacket, buoyancy aid, flotation… …
40World War I — the war fought mainly in Europe and the Middle East, between the Central Powers and the Allies, beginning on July 28, 1914, and ending on November 11, 1918, with the collapse of the Central Powers. Abbr.: WWI Also called Great War, War of the… …
