Lockheed Martin announced that its board of directors elected Lisa Callahan a corporate officer and the vice president of Internal Audit effective December 1, 2013. Callahan replaces Erich Sanchack, who has held the position since March 2012 and is moving into a new role within the corporation. Callahan is currently vice president and general manager for the Undersea Systems line of business for the corporation's Mission Systems and Training business area.

Callahan has a broad range of experience, including working on ballistic missile defense programs and providing live, virtual, and constructive training systems for domestic and international customers.