VT-4 Training Squadron 4 is a training squadron of the United States Navy. Initially established as Basic Training Group NINE (BTG-9) in the 1950s, the squadron was redesignated as Training Squadron FOUR (VT-4) on 1 May 1960 and based at Naval Air Station Pensacola, Florida.

Naval Air Station Pensacola or NAS Pensacola, "The Cradle of Naval Aviation", is a United States Navy base located next to Warrington, Florida, a community southwest of the Pensacola city limits. It is best known as the initial primary training base for all U.S. Navy, Marine Corps and Coast Guard officers pursuing designation as naval aviators and naval flight officers, the advanced training base for most naval flight officers, and as the home base for the United States Navy Flight Demonstration Squadron, the precision-flying team known as the Blue Angels.