Company F, 347th Engineers
It's imperative you include Arm of Service (Artillery, Infantry, Armor, Engineers, etc.) in an inquiry. 347th Engineer (General Service) Regiment was, in fact, activated and organized at Camp Claiborne in May 1942. 82d Airborne Division (originally 82d Division; later 82d Infantry Division) had been activated and organized - also at Claiborne - two months earlier. Omar Bradley was the division's first commanding general; Matthew B. Ridgeway succeeded Bradley three months after the division began forming. The "1st Brig(ade)" to which you refer MIGHT be 1st Infantry Brigade, an element of 1st Infantry Division prior to triangularization of the Army's infantry divisions 1942-43. The "18th Reg(iment)" - if you're referring to the 18th Infantry Regiment - was likewise an element of 1st Infantry Division. 1st Division was one of the four U. S. assault divisions at Normandy. You need to perform some preliminary research of your own - at least pinpoint the units you're seeking. Otherwise, I'll have to charge the proverbial "arm and leg" for digging through records. Also, nothing on Colonel (later Brigadier General), Harry Hulen, except that he was West Point, Class of 1909 (non-graduate). No indication of active Federal service during World War II; perhaps Louisiana National Guard.