JTG Incorporated, Vienna, Virginia, has appointed Ahmed Shehata as president.
Alexander Müller-Gastell has been appointed chief financial officer of the Signalhorn Group of Companies, Backnang, Germany.
Rear Adm. Paul A. Sohl, USN, will be assigned as commander, Fleet Readiness Centers/assistant commander for logistics and industrial operations (AIR-6.0), Naval Air Systems Command, Patuxent River, Maryland.
Rear Adm. John C. Scorby Jr., USN, will be assigned as commander, Navy Region Europe, Africa, Southwest Asia/commander, Maritime Air Forces, Naples, Italy.
Rear Adm. Althea H. Coetzee, USN, will be assigned as contingency contracting deputy director, Office of the Under Secretary of Defense (Acquisition, Technology and Logistics), Washington, D.C.
Brig. Gen. Christopher P. Hughes, USA, has been assigned as deputy commandant, U.S. Army Command and General Staff College/deputy commanding general, leader development and education, U.S. Army Combined Arms Center, Fort Leavenworth, Kansas.
Patrick M. Dewar has been named executive vice president of Lockheed Martin International, London.
Cross Match Technologies Incorporated, Palm Beach Gardens, Florida, has named Joseph Kuhn chief financial officer.
Brig. Gen. Theodore C. Harrison, USA, has been assigned as commanding general, Army Contracting Command, Redstone Arsenal, Alabama.
Maj. Gen. Michael H. Shields, USA, has been assigned as commanding general, U.S. Army Alaska/deputy commander, U.S. Alaskan Command, Fort Richardson, Alaska.