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.
When the Minuteman III retires, the silos and launch facilities at Malmstrom Air Force Base in Montana, which oversees 150 nuclear ICBMs scattered across a 13,800 square miles, will have been buried for 70 years.
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.