[2] Since 2010, VX-20 has been operating flight test models of the Boeing P-8A Poseidon maritime patrol and reconnaissance aircraft.

[3] The official VX-20 mission statement reads, "We provide trained people, test ready aircraft, and access to state of the art facilities necessary for the development of cutting edge technology to support the War fighting needs of the operating forces.

Under the command of Officer-in-Charge Captain John A. Dunaway, Antisubmarine Aircraft Test Directorate was tasked to support the fleet through the flight test and evaluation of aircraft systems for the VP, VS, VAW, VRC, VQ (TACAMO), VQ (ELINT/SIGINT), VR, and VT squadrons.

As of December 1998 the squadron was responsible for testing and evaluating aircraft and systems used for various Navy missions, including anti-submarine warfare under command of Capt.

It operates and maintains 11 types of aircraft, including the P-3 Orion, the C-130 Hercules, the E-2 Hawkeye, the S-3 Viking and the E-6 Mercury.