Colonel Robert E. Gibson was commissioned an Infantry Officer upon graduation from Officer Candidate School, 23 April 1947. His first duty assignment was as a Platoon Leader, Company A, 1st Battalion, 16th Infantry Regiment, 1st Infantry Division, Vienna, Austria. | His subsequent duty assignments include: Survey Officer, 4th Battalion, 12th Marines, Camp McNair, Japan, Commanding Officer, United States Naval Academy, Annapolis, Maryland; Teach, Assess, and Counsel Officer, USMA, West Point, New York; G-3, 3d Mar Division, ICTZ Vietnam; USC and GSC, Fort Leavenworth, Kansas; Commander, 3d Battalion, 12th Marines, 3d Mar Division, ICTZ, Vietnam; Commander, 12th Marine Regiment, CP Zukran, Okinawa; Commander, USN ROTC, Texas A&M University, College Staton, Texas, Stragtegy Officer, USCINPAC, Camp Smith, Hawaii.