The Missile Defense Agency and Boeing installed the ninth Ground Based Midcourse Defense program interceptor in its underground silo at Ft. Greeley, Alaska, on Sept. 18. That makes seven for Alaska and two at Vandenberg AFB, Calif. Now, if they could just finish the tests.
The Space Force is playing midwife to a new ecosystem of commercial satellite constellations providing alternatives to the service’s own Global Positioning Service from much closer to the Earth, making their signals more accurate and harder to jam.