US Navy cancels Constellation-class frigate after weight growth
By The BriefBrief
The US Navy canceled the Constellation-class frigate program after the design became about 500 tons heavier than planned, with delays and cost overruns. The cancellation left two ships already partly built. The Navy’s approach shifts toward building from a Coast Guard cutter rather than adapting a foreign FREMM hull.
WHO:US Navy
WHAT:Canceled the Constellation-class frigate program after the design added about 500 tons and ran late and over budget, leaving two partially built ships.
WHEN:Reported Sep 7, 2026 at 2:15 PM ET
WHERE:USA
WHY:The program’s design grew by about 500 tons and the effort became years late and over budget, leading to cancellation.
Reporting from 1 identified publisher for this event.