Simons was commissioned a Second Lieutenant in the Field Artillery Branch in 1941, and was initially assigned to the 98th Field Artillery Battalion, a part of one of the Army's pack mule units.
Franke served much of his career in the Field Artillery Branch.
The systems were managed by the U.S. Army Missile Command (MICOM) and deployed by the Field Artillery Branch.
He spent his whole Army career in the Field Artillery Branch.
The 129th Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army.
Field Artillery Branch (United States)
The 1907 reorganization created Coastal and Field Artillery Branches.
However in 1955, with the held and assistance received by United States Army's Field Artillery Branch through the U.S. aid, the Regiment completely abolished its British Army infrastructure, nomenclature, ranks and command, with many of its officers called British Army system, a "Complex and Non-rationale".