The 
Air Force has employed the Small Diameter Bomb for the first time in Afghanistan. An F-15E Strike Eagle deployed to Bagram Air Base from the 391st Fighter Squadron at Mountain Home AFB, Idaho, dropped the GPS-aided GBU-39B on a close air support mission on Jan. 27 to aid International Security Assistance Forces under attack by enemy fighters. “The [joint terminal attack controller] asked us to drop that specific weapon on that specific spot, and that’s what we did,” said Wrangler, one of the F-15E’s two-person crewmembers. An Air Force release notes, “The enemy stopped fighting and retreated.”
Pentagon Cancels $6B GPS Ground System Contract
April 20, 2026
The Pentagon has canceled its contract with RTX to field a ground segment to manage its most capable GPS satellites, a more than 15-year effort beleaguered by software development issues and cost overages.