Before 1965 only separate battalions and regiments were allowed to wear unit crests. Now virtually every unit in the army has a Distinguished Unit Insignia (Unit Crest). Unit Crests for Non-Uniform Wear. More and more we are asked to provide miniature unit crests. These are popular as inexpensive but valued presentation items.
F connector. From Wikipedia, the free encyclopedia. The F connector is a coaxial RF connector commonly used for over the air terrestrial television, cable television and universally for satellite television and cable modems, usually with RG-6/U cable or, in older installations, with RG-59/U cable.
A D-sub connector is a type of electrical connector that is used mainly in computing. It is most commonly used for video connections, such as those between a monitor and computer. The D-sub connector uses a series of pins that slot into a socket, with the plug usually screwed into place to prevent it coming loose.