A branch drain accepting waste products delivered to it vertically, by gravity, from one or more similar but usually smaller fixtures, and conducting them horizontally to the primary disposal drain.
But this preliminary document is the clearest indication of the Pentagon's thinking about the future of nuclear missiles. In short, the Pentagon plans to replace the Minuteman III ICBM with a new launch rocket, one that would launch from the same silos in Montana and South Dakota where the missiles sit now. However, a new missile does not mean a new warhead.
Space and Missile Systems Center. The Space and Missile Systems Center (SMC) is a part of Air Force Space Command of the United States Air Force, located at Los Angeles Air Force Base in El Segundo, Los Angeles County, California. SMC is the Air Forceâs product center for the development and acquisition of space and missile systems.