the acquisition corps does not exist
Army acquisition corps were organized to provide contracting support to deployed forces and department of defense agencies. To be a member of the army acquisition corp, one must be an NCO and complete contractor training. The minimum score on the asvab is 110 in area GT.
Combat Service Support
United States Marine Corps was established 10 November 1775, at Tun Tavern, Philidelphia, PA.
It is an organized subdivision of military establishment.
combat service support
The Continental Congress authorized the Marines on 10 November 1775.
He organized Corps of Discovery with Lewis and Clark.
acquisition corps
Possibly "Organized Militia" Corps? "O.M. Corps" is a common notation on grave markers of US Army veterans of World War I, but I cannot find a US Army manual or database defining it, except one 1925 US Army Manual defines O.M. as Organized Militia (an older name for the National Guard I believe).
Force in readiness
In WW2 , Oveta Culp Hobby , was the 1st commanding officer of the Women's Army Auxiliary Corps which was renamed Women's Army Corps . ~ Additional information at the related link below .
Meriwether Lewis and William Clark organized the Corps of Discovery and explored the Louisiana Purchase that Thomas Jefferson bought from the french.