Colonel William J. Marshall III was commissioned a Medical Service Corps Officer upon graduation from Officer Candidate School in May 1972. His first duty assignment was as a Platoon Leader in Combat Support Company, 2nd Battalion, 102nd Armor, 50th Armored Division, New Jersey Army National Guard (NJARNG), West Orange, New Jersey. | His subsequent duty assignments: Executive Officer, Combat Support Company, 2-102nd Armor, NJARNG, West Orange, New Jersey; Company Commander, Company A, 2-102nd Armor, NJARNG, West Orange, New Jersey; S2, Headquarters, 2-102nd Armor, NJARNG, West Orange, New Jersey; Assistant S3, 2nd Brigade, 50th Armored Division, NJARNG, Cherry Hill, New Jersey; Assistant S3, 1st Brigade, 50th Armored Division, NJARNG, Somerset, New Jersey; Assistant G3, 50th Armored Division, NJARNG, Somerset, New Jersey; Deputy G3, 50th Armored Division, NJARNG, Somerset, New Jersey; Executive Officer, Headquarters, 5-102nd Armor, NJARNG, Dover, New Jersey; Battalion Commander, Headquarters, 2-102nd Armor, NJARNG, Phillipsburg, New Jersey; Executive Officer, Headquarters, 1st Brigade, 50th Armored Division, NJARNG, Somerset, New Jersey; Brigade Commander, Headquarters, 1st Brigade, 50th Armored Division, NJARNG, Somerset, New Jersey; Brigade Commander, Headquarters, 50th Brigade, 42nd Infantry Division, NJARNG, Fort Dix, New Jersey; and Chief of Training, Plan, Operations, Office (POTO), State Area Command (STARC), New JerseyARNG, Fort Dix New Jersey; Chief of Training, Assistance, Assessment and Evaluation, Plans, Operations, Training Office (POTO), State Area Command (STARC), Fort Dix, New Jersey.