# GAO
Latest news and articles about GAO
Total: 2 articles found
US F‑35 Deliveries Hit by Missing Radars as Block 4 Upgrades Stumble
Deliveries of F‑35As to the U.S. Air Force have included airframes without the planned APG‑85 AESA radar because of development delays and cost overruns in the Block 4 upgrade. The absence of onboard radars forces operational compromises, underscores long‑standing concurrency problems in the programme, and complicates future upgrades and budgeting.
US Army’s ‘Dark Eagle’ Hypersonic Fielding Delayed Again, Exposing Cost and Capability Risks
The US Army has again failed to meet its schedule for fielding the LRHW "Dark Eagle" hypersonic system, highlighting technical hurdles and cost pressures in a program that has already consumed over $12 billion across services. With the first battery’s deployment cost estimated at roughly $2.7 billion, the delay raises questions about deterrence timelines, congressional oversight, and potential shifts in Pentagon priorities.