A gunnery unit is a military term that refers to a group of personnel who operate and maintain large artillery guns. There are several synonyms for the term gunnery unit, including artillery unit, cannon company, battery, field artillery, and gun crew. These terms are often used interchangeably depending on the branch of the military and specific type of weapon systems being used. Regardless of the terminology, gunnery units play an essential role in modern warfare and are responsible for delivering deadly accurate ordnance to enemy targets. From tanks to small arms, these units are the backbone of any fighting force.