Fleet Replacement Squadron
UNIT OF THE UNITED STATES NAVY AND MARINE CORPS
Fleet replacement squadron; Replacement Air Group; Fleet Replenishment Squadron; Replacement air group
A Fleet Replacement Squadron (FRS), is a unit of the United States Navy and Marine Corps that trains Naval Aviators, Naval Flight Officers (NFOs) and enlisted Naval aircrewman on the specific front-line aircraft they have been assigned to fly. Students, referred to as Replacement Pilots or Replacement Weapon Systems Officers are either newly winged aviators (Category I), aviators transitioning from one type aircraft to another (Category II), or aviators returning to the cockpit after a period of non-flying (Category III).