Launch Complex 576, also known as Area 576, is a group of rocket launch pads at Vandenberg Air Force Base. The pads at the complex were used from 1959 until 1971 to launch SM-65 Atlas missiles. The site was also known as Complex ABRES. Pads in Area 576 include 576-A-1,2,3, 576-B-1,2,3, 576-C, 576-D, 576-E, OSTF-1 and OSTF-2.The first operational launch of an Atlas missile by the Strategic Air Command was conducted from 576-A-2 by the 576th Strategic Missile Squadron on September 9, 1959.