Glenn Perryman, deputy program executive officer for Air Anti-Submarine Warfare, Assault, and Special Mission Programs, stands in front of Sikorsky NVH-3A Sea King BuNo 150614, which his father flew as commanding officer of Marine Helicopter Squadron (HMX) 1. The helicopter subsequently served Air Test and Evaluation Squadron (HX) 21 as a testbed for 32 years before making its last flight in October 2020.