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A typical blast fence at an airport An airman services a jet blast deflector (JBD) before flight operations aboard an aircraft carrier. A jet blast deflector (JBD) or blast fence is a safety device that redirects the high energy exhaust from a jet engine to prevent damage and injury.
H31 may refer to: Hanriot H.31 , a French biplane fighter aircraft HMS Griffin (H31) , a Royal Navy G-class destroyer later transferred to the Royal Canadian Navy and renamed HMCS Ottawa (H31)
Gun mantlet, highlighted in red, mounted to a tank's main gun (American M1A1 Abrams). A gun mantlet is an armour plate or shield attached to an armoured fighting vehicle's gun, protecting the opening through which the weapon's barrel projects from the hull or turret armour and, in many cases, ensuring the vulnerable warhead of a loaded shell does not protrude past the vehicle's armour.
The Self-Protect High-Energy Laser Demonstrator (SHiELD) was a directed-energy weapons development program. [1] [2] [3] [4] The objective was to demonstrate the ...
An active protection system (APS) is a system designed to actively prevent certain anti-tank weapons from destroying a vehicle. Countermeasures that either conceal the vehicle from, or disrupt the guidance of an incoming guided missile threat are designated soft-kill active protection measures.
Malware download protection Involves maintaining a database of known malicious files; each time a user downloads a file, the list of malicious files is checked. If a user attempts to download a malicious file, the file will be blocked. An allow list of known good files is also maintained to prevent unnecessary checking and or blocking of good ...
HMS H31 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 19 April 1917 and was commissioned on 21 February 1919. She was laid down on 19 April 1917 and was commissioned on 21 February 1919.
HMS Griffin (H31) was a G-class destroyer, built for the Royal Navy in the mid-1930s. In World War II she took part in the Norwegian Campaign of April–May 1940 and the Battle of Dakar in September before being transferred to the Mediterranean Fleet in November.