SBIRS GEO Flight 3, the next satellite scheduled to join the U.S. Air Force’s Space Based Infrared System (SBIRS), in final assembly and test at Lockheed Martin in Sunnyvale, California. Credit: Lockheed Martin
The Missile Defense Agency currently relies mostly on terrestrial sensors, such as this Sea-Based X-Band Radar. But missile defense leaders said the Defense Department must shift more sensors into space to meet future challenges. Credit: MDA/LTC Steve Braddom
A Standard Missile-3 (SM-3) Block 2A launched from the Point Mugu Sea Range, San Nicolas Island, California on June 6, 2015. This test was the first live fire of the SM-3 Block 2A. Credit: MDA
CHIRP
Northrop Grumman-built Space Tracking and Surveillance System (STSS) demonstrator satellites are on-orbit, demonstrating capabilities required for birth-to-death tracking of ballistic missiles and other cold objects in space. Credit: Northrup Grumman artist’s concept
The Missile Defense Agency and U.S. Navy sailors aboard the USS Hopper successfully conducted two developmental flight tests of the Standard Missile-3 (SM-3) Block 1B Threat Upgrade guided missile on May 25 and 26 off the west coast of Hawaii. Credit: MDA.
Navy Vice Adm. James Syring. Credit: C. Shamwell
GMD test
A metal object believed to be a part of North Korean long range rocket launched Feb. 7 is seen in this undated handout picture provided by South Korean Defense Ministry and released by Yonhap  Feb. 9.  Credit: REUTERS/Defense Ministry/Yonhap
North Korean leader Kim Jong Un watches a long range rocket launch into the air in North Korea, in this photo released Feb. 7 by Kyodo.   Credit: REUTERS/Kyodo
North Korean leader Kim Jong Un organizes and guides a combined joint drill of the units under KPA Combined Units 572 and 630 in this undated file photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang November 23, 2014. Credit: REUTERS/KCNA/Files
A ground-based interceptor launches from Vandenberg Air Force base as part of a Jan. 28 missile defense test. Credit: Missile Defense Agency.
GMD test
U.S. Navy Vice Adm. James Syring, the head of the Missile Defense Agency, said Jan. 19 that a new kill vehicle will fly in 2018 and face an intercept test in 2019. Credit: CSIS
A new missile interceptor co-developed by the United States and Japan launches from a Navy range June 6 as part of its first flight. Credit: Missile Defense Agency.
Constellation of Defense Support Program satellites; geosynchronous-orbiting SBIRS satellites; and SBIRS sensors hosted aboard classified satellites in highly elliptical orbit. Credit: Lockheed Martin artist's concept

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