A native of Pittsburgh, Pennsylvania, he graduated from the University of South Carolina in 1982 with a Bachelor of Science in Electrical Engineering (cum laude), was elected to The Phi Beta Kappa honor society and earned his commission through the Naval Reserve Officer Training Corps.
Sadler earned honors in all phases of flight training and reported in June 1985 to the Black Aces of Fighter Squadron (VF) 41 aboard the USS Nimitz (CVN 68) flying the F-14A Tomcat. He became a wing-qualified landing signal officer and graduated from the Naval Fighter Weapons School (TOPGUN). He then reported to the “Challengers” of VF-43 at Naval Air Station (NAS) Oceana, Virginia, as an adversary pilot flying the A-4/F-5 and teaching overland strike support.
Sadler transitioned to the Reserve Component in September 1990 with the “Hunters” of VF-201 at NAS Dallas, flying the F-14A Tomcat. He deployed with Air Wing 5 as an adversary pilot and VF-211 aboard Nimitz for Exercise Surgex. He was selected as the 1996 Air Wing Reserve 20 Junior Officer of the Year.
Sadler assumed command of Strike Fighter Squadron (VFA) 201 in July 1999, leading the squadron through its transition to the F/A-18A Hornet while earning two consecutive Air Wing 20 Retention Excellence Awards and the Naval Air Force Reserve nomination for the Phoenix Award, recognizing maintenance excellence.
Sadler’s other command tours include: commander Fleet Air Western Pacific 0170; chief of Naval Air Training Reserve Component Commander, 6th Fleet Det. 802; and deputy Reserve Component commander, Navy Region Southeast. Non-command tours include: Carrier Strike Group 0570, 7th Fleet Det. 111 and chief of staff for Commander, Navy Region Midwest at Naval Station Great Lakes, Illinois.
Sadler assumed his current duties in October 2014. Previous flag tours include: director, Maritime Partnership Program, U.S. Naval Forces Europe-Africa/vice commander, U.S. 6th Fleet; commander Naval Air Force Reserve/deputy commander Naval Air Forces.
Sadler has flown almost 3,000 hours in tactical aircraft and accumulated 388 carrier landings. He is a graduate of Air Command and Staff College and Joint Forces Staff College. Personal decorations include the Legion of Merit, Meritorious Service Medal, Navy and Marine Corps Commendation Medal, and Navy and Marine Corps Achievement Medal.