Colonel (later Brigadier General) Sidney M. Marks was commissioned an Infantry Officer upon graduation from Officer Candidate School 17 December 1942, class number 128. His first duty assignment was as Student Officer, Prcht School, Fort Benning, Georgia. | His subsequent duty assignments include: Platoon Leader, 517th PIR, Fort Benning, Georgia; Platoon Leader, Company Commander, 517th PIR, European Theater of Operations; Company Commander, 517th PIR, European Theater of Operations/Fort Bragg, North Carolina; Company Commander/BN S-3, 505th PIR, Fort Bragg, North Carolina; Bn Commander, 505th PIR, Fort Bragg, North Carolina; Asst G-3, 82nd Abn Div, Fort Bragg, North Carolina; Stu O (IOAC), STR, Fort Benning, Georgia; Bn S-3, 34th Inf, FECOM; Company Comdr, Regimentl S-3, 34th Inf, FECOM; Bn S-3, 19th Inf, FECOM; Bn Comdr, 19th Inf, FECOM; Bn Comdr, 2d OC Bn, Fort Benning, Georgia; Bn Comdr, 1st OC Regiment, Fort Benning, Georgia; Ch, Jump Grp Abn Dept/Dir, Abn Dept, Abn Bn, Fort Benning, Georgia; Stun Officer (Reg Crse), CGSC, Fort Leavenworth, Kansas; Army Adv Gp, Air University, Det 8697 DU, Maxwell Air Force Base, Alabama; Student, Armed Forces Staff College, Norfolk, Virginia; Deputy Gp Comdr, 1st ABG 504th Inf, Fort Bragg, North Carolina; Group Comdr, 1st ABG 504th Inf, USAREUR; ACofS, G-4, Headquarters Seventh U.S. Spt Cmd, USAREUR; ACofS, G-3, Headquarters Seventh U.S. Spt Comd, USAREUR; BG Comdr, 1st ABG 504th Inf, USAREUR; Student AWC, Stu Det USAWC, Carlisle Barracks, Pennsylvania; Staff O, War Plans Div (COIN), Str Plans & Policy, ODCSOPS, Washington, D.C.; Branch Ch, War Pland Div, (COIN), Str Plans & Policy, ODCSOPS, Washington, D.C.; Acting Chief, War Plans Div, Str Plans & Policy, ODCSOPS, Washington, D.C.; Bde Co, 3d Bde, 1st Inf Div, USARPAC; Dir, BBOD, USAIS, Co I, USAIS, Fort Benning, Georgia. | His awards and decorations include: Silver Star w/1 Oak Leaf Cluster, Legion of Merit, Distinguished Flying Cross, Soldier's Medal, Bronze Star Medal w/5 Oak Leaf Clusters, AM, 26th Oak Leaf Cluster; ARCOM, 1st Oak Leaf Cluster; AFCOM; PH; CIB, 3d Award; Master Prcht; Vietnam Order of National Merit, 5th Class; Vietnam Cross of Gallantry w/3 Palms; Vietnam Cross of Gallantry w/ Silver Star; Belgium Fouraggere; French Fouraggere; Vietnam Medal of Honor, 1st Class.