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.
Air Force cyber resilience in focus
Cyber resilience has become a frontline mission for the US military. Breaking Defense’s new eBook rounds up key reporting from the 2025 Alamo ACE conference with the latest developments in cyber offense and defense.
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.
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.
10 Breaking Defense op-eds that defined 2025
It's been a whirlwind of a year — and the defense establishment has plenty of thoughts on how it's unfolded and what might come next.
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."
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.
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How warfighters communicate when their missions are beyond visual line of sight
Standoff capability means warfighters stay connected and remain remotely located in a safer environment while making it harder for adversaries to target them.
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.
After $885 million, GAO warns it’s ‘unclear’ if Navy’s major UUV program will become program of record
The Navy plans to concurrently test its one XLUUV prototype this year while accepting new vehicles from prime contractor Boeing, according to GAO.
Lockheed eyes two-year timeline to pick new F-35 cooling system
The company is examining “all offers that’re out on the market today to make that decision, so it’s not going to be a quick choice,” Lockheed’s F-35 program manager Chauncey McIntosh told Breaking Defense.
Too soon? GAO questions tech readiness of satellite laser links
The Space Development Agency "has taken steps to develop laser communications technology but has not yet fully demonstrated it in space," finds a report released today by the Government Accountability Office.