AVCHD (A dvanced V ideo C oding H igh D efinition) is a file-based format for the digital recording and playback of high-definition video. Developed jointly by Sony and Panasonic, the format was introduced in 2006 primarily for use in high definition consumer camcorders.
infantry (plural infantries) 1  Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne). ( 2 uncountable) The part of an army consisting of infantry soldiers, especially opposed to mounted and technical troops. 3  A regiment of infantry.
The Infantry in the American Civil War comprised foot-soldiers who fought primarily with small arms, and they carried the brunt of the fighting on battlefields across the United States. As the Civil War progressed, battlefield tactics soon changed in response to the new form of warfare being waged in America.