Technical sergeant is the name of three current and two former enlisted ranks in the United States Armed Forces,[citation needed] as well as in the U.S. Civil Air Patrol.
[1] Technical sergeant was a rank in the United States Marine Corps until 1958.
The rank gunnery sergeant replaced it and elevated to E-7 after the reorganization of grades in 1959.
A technical sergeant is a noncommissioned officer and abbreviated as TSgt (with no period in official USAF and other military correspondence).
[citation needed] The Civil Air Patrol (CAP), a non-profit corporation Congressionally chartered to operate as the civilian auxiliary of the U.S. Air Force, has a quasi-military structure which includes the rank of technical sergeant.