There are many rules and regulations governing the manufacturing sector, including the Defense Production Act, which helps to ensure the military is properly prepared.
The Act was passed in 1950 during the Korean War and was a part of a broad civil defense and war mobilization effort during the Cold War. The Act allows the president to issue executive orders for purchases that need to be completed quickly in order to maintain national security. It allows the president to establish regulations, orders, etc to allocate materials, services, and facilities to promote national defense. Finally, it also authorizes the president to control the civilian economy so that scare or critical materials necessary to national defense are available.