Carrier Airborne Early Warning Squadron 121 (VAW-121), also known as the "Bluetails", is an Airborne Early Warning (AEW) and Command and control (C2) squadron of the United States Navy, operating the E-2D Hawkeye. Established in 1967, the squadron is based at NAS Norfolk. It is currently assigned to Carrier Air Wing 7 and deploys aboard the aircraft carrier USS Abraham Lincoln.