Colonel Marvin Rosenstein was commissioned an Infantry Officer upon graduation from Officer Candidate School 27 March 1953, Class Number 50. His first duty assignment was as Platoon Leader, Company M, 129th Infantry Regiment. | His subsequent duty assignments include: Platoon Leader, Company L, 14th Infantry Regiment, Korea and Hawaii; Battalion Motor Officer and Assistant Regimental Motor Officer, Headquarters Company, 3d Battalion and Service Company, 14th Infantry Regiment, Hawaii; CF Platoon Leader, Headquarters Company, 14th Infantry Regiment, TSB, USAIS; Instructor Communications Department, Company D, ISD USAIS; Company Commander (USAREUR), Company E, 1st BG, 18th Infantry; Assistant BG S3 (USARUER), Headquarters Company, 1st Brigade, 18th Infantry; Assistant G3 Plans Officer (USAREUR), Headquarters Company, 8th Infantry Division; Bde S4, 3d Brigade, 101st Airborne Division; Bde XO/Division and Post G3 Operations Officer, 3d Brigade and Headquarters 101st Airborne Division; G3 Operations Officer and Independent Bde S4 (Republic of Vietnam) Division Headquarters and 1st Bde, 101st Airborne Division; Battalion Executive Officer (Republic of Vietnam), 327th Infantry; Staff Action Officer ODCSOPS, Headquarters DA; Brigade Executive Officer, 3d Bde 25th Infantry Division; Battalion Commander, 1st Battalion, 27th Infantry; Dep Brigade Commander (Republic of Vietnam) 1st Bde 25th Infantry; Brigade Executive Officer, 3d Bde, 8th Infantry Division; Battalion Commander, 1st Battalion (M) 39th Infantry; Chief G3 Trng and G3 Air (USAREUR), ACofS, G3 Headquarters V Corps; Dep Dir Command Control and Communication Directorate, Headquarters Masster; Dep Dir Combined Arms Test Directorate, Headquarters Masster; Director, Training Developments Test Directorate, Headquarters Masster (TCATA). | Military schools attended include: Communication Officers Course, Airborne Course, Infantry Officer Career Course #1. | His awards and decorations include: Legion of Merit, Bronze Star w/ V and w/ 2 Oak Leaf Clusters, Meritorious Service Medal w/ Oak Leaf Cluster, Air Medal w/ V and Numeral, ARCOM w/ Oak Leaf Cluster, Republic of Vietnam Gallantry w/ Gold Star, PUC (Army), Meritorious Unit Citation, DA-GS Ident Badge, Expert Infantryman Badge, Senior Parachute.