Colonel Edwin A. Crispin was commissioned an Infantry Officer upon graduation from Officer Candidate School Class 53-67, 14 September 1967. His first duty assignment was as a Personnel Staff Officer, Army Education Center, Headquarters, United States Armor Training Center, Fort Knox, Kentucky. | His subsequent duty assignments include: Assistant Inspector General, Headquarters, Eighth United States Army, Seoul, Korea; Platoon Leader, Headquarters and Headquarters Company, 3rd Infantry Battalion, 116th Infantry Brigade, 28th Infantry Division, Camp Pickett, Virginia; Food and Agricultural Officer, 390th Civil Affairs Group, Wilmington, Delaware; Personnel Officer, 390th Civil Affairs Group, Wilmington, Delaware; Company Commander, 360th Psychological Operations Company, Wilmington, Delaware; Administrative Officer, 2076th United States Army Reserve Forces School, Wilmington, Delaware; Operations Officer, 2076th United States Army Reserve Forces School, Wilmington, Delaware; Secretary, 2076th United States Army Reserve Forces School, Wilmington, Delaware; Assistant Deputy Chief of Staff for Personnel Headquarters, 79th Army Reserve Command, Willow Grove, Pennsylvania; Commander, 817th Personnel and Administration Battalion, Chester, Pennsylvania; Deputy Chief of Staff for Information Management, Headquarters, 79th United States Army Reserve Command, Willow Grove, Pennsylvania; Commandant, 2090th United States Army Reserve Forces School, Harrisburg, Pennsylvania; Commander, 1215th United States Army Reserve Garrison Support Unit (Fort Drum), Willow Grove, Pennsylvania. | At the time of his induction, Colonel Crispin was serving as President of Continuing Education Services, Incorporated.