The plant is the largest, in terms of storage, housing close to one-third of the Department of Defense's munitions stockpile.
The facility produces a range of munitions from 20 mm shells to the 11 short tons (10 t) Massive Ordnance Air Blast (MOAB).
Due to the increased strain of the American military during World War II, the Department of Defense moved to build more munitions facilities within the nation.
From Kansas Army Ammunition Plant, it will acquire the Sensor Fuzed Weapon and missile warhead production.
On August 26, 2020, Toyal America Inc. of Lockport, Illinois, was awarded roughly $12.7 million to provide MCAAP with aluminum powder.