Ford Class Aircraft Carrier
The ''Gerald R. Ford'' class is a ship class, class of Nuclear propulsion, nuclear powered aircraft carriers currently being constructed for the United States Navy. The class, with a planned total of ten ships, will replace List of aircraft carriers in the United States Navy, the Navy's current carriers on a one-for-one basis, starting with the lead ship, , replacing , and then eventually taking the place of the existing carriers. The new vessels have a hull similar to the ''Nimitz''-class, but introduce technologies since developed with the CVN(X)/CVN-21 program,Before its redesignation to ''Gerald R. Ford'' class, the new carrier (CVN-78) was known as the CVN(X) carrier program ("X" meaning "in development") and then as the CVN-21 carrier program. (Here, "21" is not a hull number, but rather it is common in future plans of the US military, alluding to the 21st century.) such as the Electromagnetic Aircraft Launch System (EMALS), as well as other design features intended to imp ...
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Machine Gun
A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) are typically designed more for firing short bursts rather than continuous firepower, and are not considered true machine guns. As a class of military kinetic projectile weapon, machine guns are designed to be mainly used as infantry support weapons and generally used when attached to a bipod or tripod, a fixed mount or a heavy weapons platform for stability against recoils. Many machine guns also use belt feeding and open bolt operation, features not normally found on other infantry firearms. Machine guns can be further categorized as light machine guns, medium machine guns, heavy machine guns, general purpose machine guns and squad automatic weapons. Similar automatic firearms of caliber or more are classified as autocannons, rat ...
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