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.
The Cuban Missile Crisis of 1962 was the closest the world has come to all out nuclear war. On Oct. 15, American spy planes discovered that Russians had placed missiles capable of carrying nuclear warheads in Cuba, just 90 miles from the shores of Florida.