High Quality Content by WIKIPEDIA articles! The 157th Fighter Squadron (157 FS) is a unit of the South Carolina Air National Guard 169th Fighter Wing located at McEntire Joint National Guard Base, Columbia, South Carolina. The 157th FS is one of the few Air National Guard squadrons to operate the HARM Targeting System (HTS)-equipped F-16C Block 52 Fighting Falcon, also known as the F-16CJ.