Three pilots testing Phantom II in 1962, Brown in the top right corner. In the bottom right corner future famous astronaut J. Young is pictured
Brown originally enlisted in the United States Navy Reserve during World War II. Following the war, he was commissioned an officer and designated a Naval Aviator. In 1948, he transferred to the Regular Navy. That year, he also won the Bendix Trophy in the jet division. From 1958 to 1959, he served with Attack Squadron 174. After attending the Naval War College, Brown was stationed at the Naval Air Test Center. In 1962, he set world record when he reached 65,000 feet in two minutes, fifty-eight point five seconds from a standing start while piloting a McDonnell Douglas F-4 Phantom II.