Rear Adm. John S. Lemmon, Commander of the Naval Air Warfare Center Aircraft Division and Assistant Commander for Research and Engineering at Naval Air Systems Command, offers remarks during a graduation ceremony for U.S. Naval Test Pilot School Class 157 June 5, 2020 at NAS Patuxent River. (U.S. Navy photo)

Rear Adm. John S. Lemmon, Commander of the Naval Air Warfare Center Aircraft Division and Assistant Commander for Research and Engineering at Naval Air Systems Command, offers remarks during a graduation ceremony for U.S. Naval Test Pilot School Class 157 June 5, 2020 at NAS Patuxent River. (U.S. Navy photo)