He assumed his post as CDRUSNORTHCOM and commander of NORAD on 5 December 2014, and was succeeded by General Lori Robinson on 13 May 2016.

He was an officer of Kappa Sigma fraternity and a member of the varsity soccer team and the rugby club.

[3] Shore assignments include Training Squadron 26 (VT-26), NAS Chase Field, Texas, 1978–1980; Strike Fighter Squadron 125 (VFA-125), NAS Lemoore, California, 1984–1988, and aide and flag lieutenant to the Assistant Chief of Naval Operations (Air Warfare), Washington, 1990–1991.

This was followed by assignment as Commander, Carrier Strike Group 10, during which time he was promoted to a two-star rear admiral.

His second was as Commander, Carrier Strike Group Ten, on board USS Harry S. Truman, in support of Maritime Security Operations and OIF from 2007–2008.