Garrett graduated from the U.S. Naval Academy in 2010 with a B.S. in mathematics. In 2012, he was designated a naval aviator and joined the World Famous Golden Falcons of Helicopter Sea Combat Squadron TWELVE, forward deployed in Atsugi, Japan. He flew in support of Operation Damayan and numerous other operations and exercises while aboard the USS George Washington and USS Ronald Reagan aircraft carriers. On his shore tour, Garrett served as a naval science lecturer and earned his M.A. in international and development economics from Yale University, where he was also a Jonathan Edwards Fellow. Garrett served in the U.S. Fifth Fleet AOR with Amphibious Squadron SIX as the Air Operations Officer, and continued in this role until separating from active duty naval service in 2020. He plans to continue serving in the naval reserve and attend Stanford Law School as a member of the Class of 2023.