Gen. Stephen Townsend, USA, has been assigned as commander, U.S. Africa Command.
Sally Turbyville has joined Atlas Research, Washington, D.C., as senior vice president.
Elizabeth Stober has joined Cambridge Team, South Carolina, as director of business development.
Aura Systems Inc., Stanton, California, has appointed Robert Lempert as acting corporate secretary.
Brian Romansky has been appointed chief technology officer of Owl Cyber Defense Solutions, LLC, Danbury, Connecticut.
Aura Systems Inc., Stanton, California, has appointed David Mann as acting chief financial officer.
Airbus, Marignane, France, has appointed Mattieu Louvot as executive vice president of its Helicopters Programs.
Aura Systems Inc., Stanton, California, has appointed Cipora Lavut as the company's acting president.
Kenneth W. Kizer has joined Atlas Research, Washington, D.C., as chief healthcare transformation officer and senior executive vice president.
Shayne Higdon has joined Forcepoint, Austin, Texas, as chief operating officer.
Airbus, Marignane, France, has appointed Wolfgang Schoder as executive vice president of Airbus Helicopters Programs.
Charles (Chuck) Hicks Jr. has joined NCI, Reston, Virginia, as executive vice president, chief financial officer and treasurer.
Aligned Energy, Plano, Texas, has appointed Billie Haggard as senior vice president of operations.
Airbus, Marignane, France, has appointed Alain Flourens as executive vice president of operations for their helicopter division.
ManTech, Herndon, Virginia, has appointed John J. Boyle as senior vice president, chief growth officer for the company's Mission Solutions and Services Group.
Rod Allison has joined CLEAR, New York, as vice president of operational security.