The Pentagon is pushing defense contractors to speed up their production and delivery of weapons.
The push comes amid concerns about the U.S. military's dwindling munition stockpiles.
U.S. military munition stockpiles have deepened concerns since the start of the war with Iran.
Pentagon Deputy Secretary Feinberg wrote to defense firms in a memo on Wednesday.
Pentagon Deputy Secretary Feinberg told defense firms they have up to three weeks to respond.
