 In May 1989, Bresnik received his commission as a Second Lieutenant in the U.S. Marine Corps from the Naval Reserve Officer Training Corps at The Citadel.After graduation he attended The Basic School (TBS) and Infantry Officers Course (IOC) at Marine Corps Base Quantico, Virginia.Following Aviation Indoctrination and Primary flight training in Pensacola, Florida, he entered Intermediate and Advanced flight training in Beeville, Texas, and was designated a Naval Aviator in 1992.