As F-35 readiness lags, Pentagon seeks $13.7 billion boost: GAO
The F-35’s full mission capable rate fell to to 25 percent in FY25, the government watchdog found.
EXCLUSIVE: Air Force to approve T-7 trainer production within days
"We're confident in the design of the aircraft that we have," Air Force Program Executive Officer for Training Rodney Stevens told Breaking Defense. “We're ready to start proving that we can produce the aircraft at rate.”
How AI is shaping geospatial intelligence
Breaking Defense’s latest eBook brings together reporting from GEOINT 2026 on how intelligence leaders are shaping the future of space-based geospatial intelligence.
SDA must be ‘more realistic’ about real risks in pricey satellite Tracking Layer effort: GAO
The Space Development Agency told Breaking Defense it "disagreed with the specifics of many of the report’s assertions," but promised to "work through" its recommendations.
GAO finds V-22 ‘serious accident’ rate shot up in 2023, 2024
The GAO's report was published the same day that the Navy released its own report on the V-22, saying it was committed to the program.
To field weapons quicker, Pentagon should improve testing and evaluation process: GAO
The office outlines 13 recommendations for the DoD and services that primarily revolve around revising weapon systems' test and evaluation policies to reflect “leading practices” for product development.
Forge ahead with the Sentinel ICBM, but consider making it mobile
Nuclear experts from three different think tanks argue that it's time to take the idea of mobile launchers for America's ICBMs seriously.
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How defensive cyber responds to hockey-stick growth of AI-driven threats
Artificial intelligence is reshaping adversarial cyber operations at machine speed, requiring defenders to increase operational tempo while imposing pain and cost.
Air Force can extend Minuteman ICBMs to 2050, but with risks: GAO
“Today's GAO report confirms that we desperately need an independent review to hold Pentagon officials accountable for wasting and mismanaging billions of taxpayer dollars,” Sen. Elizabeth Warren told Breaking Defense.
F-35 Block 4 upgrade delayed until at least 2031: GAO
The long awaited F-35 modernization effort is delayed at least another two years since the congressional watchdog's last estimate, and a total of at least five years from its original timeline.
Northrop Grumman says first DARC test validates radar tracking capability
DARC has been plagued with delays almost since its inception, according to a series of annual studies by the Government Accountability Office.
Space Force begins testing of first OCX software blocks for GPS sats
A spokesperson for Space Operations Command (SpOC) explained that government-led testing now will commence, but that an updated operational acceptance date "is not yet available."
How integrated modeling and simulation accelerates Europe’s defensive edge
Lockheed Martin’s ACES platform delivers a shared virtual battlespace that strengthens readiness, interoperability, and faster decision-making through advanced, integrated modeling and simulation capabilities designed for evolving global threats.
Sentinel ICBM first flight date now in flux, Air Force says
The troubled ICBM program was supposed to fly for the first time in 2026, but now the Air Force says that the date is unknown.
Navy will consolidate Medium, Large USV programs: GAO
The GAO's report comes just days before the Navy is scheduled to host industry to discuss the new consolidated program.
B-52 radar upgrade faces new delays, GAO says
The Government Accountability Office’s annual weapon system assessment also found that the Air Force is moving to field a hypersonic attack cruise missile in 2027, despite delays driving a compressed flight testing schedule.
First Next-Gen OPIR missile warning launch pushed to 2026
Program officials overseeing the Next Generation Overhead Persistent Infrared (Next-Gen OPIR) effort told GAO investigators that the delay was caused not only by developmental problems, but also the Space Force's launch backlog.