McCullough retired from the U.S. Navy in 2011 where he was Commander, U.S. Fleet Cyber Command/Commander, U.S. 10th Fleet. He also served as Deputy Chief of Naval Operations for Integration of Capabilities (OPNAV N8) and Director of Surface Warfare (OPNAV N86). He has had numerous commands at sea, including two carrier strike groups, as well as USS Normandy (CG 60), USS Scott (DDG 995) and USS Gemini (PHM 6). McCullough was elected to the SNA Board of Directors in January 2013. He is currently vice president of Business Strategy for Mission Systems and Training for the Lockheed Martin Corporation (LMT)
The Surface Navy Association (SNA) promotes greater coordination and communication among those in the military, business and academic communities who share a common interest in Naval Surface Warfare and to support the activities of Surface Naval Forces. SNA provides for its members support, programs and activities which enable professional growth, personal satisfaction and camaraderie. SNA has more than 6,000 members in 26 chapters around the world.