FF (X) is the designation for a class of frigates intended for the United States Navy based on the National Security Cutter (NSC) or Legend-class cutter in service with the United States Coast …

Dec 22, 2025 · The Navy announced its plan to acquire a fleet of new FF (X) frigates last Friday, which followed the cancellation of the abortive Constellation class program earlier in the month.

Dec 25, 2025 · The Navy says the FF (X)s will operate as “motherships” for unmanned surface vessels (USVs). The idea is to delegate offensive capabilities to robotic platforms …

4 days ago · The FF (X): Design Heritage and Performance The FF (X) frigate’s architecture originates from the Legend-class NSC, a platform originally optimized for maritime patrol rather …

5 days ago · The FF (X), derived from the Coast Guard’s Legend-class National Security Cutter (NSC), will be the first conventional guided-missile frigate class to serve in the U.S. Navy since …

Dec 23, 2025 · The FF (X) frigate will address the capability gap created by the cancellation of the Constellation-class program, with the lead ship slated for launch in 2028.

Dec 22, 2025 · An artist rendering of the U.S. Navy guided-missile frigate FFG (X). The new small surface combatant will have multi-mission capability to conduct air warfare, anti-submarine …

Dec 19, 2025 · Following last month’s truncation of the Constellation-class frigate program at Fincantieri Marinette Marine, the Navy selected HII’s Ingalls Shipbuilding’s 4,000-ton design …

The Navy decision to cut short the Constellation-class frigate program, and make the jump to a new FF (X) design, considers those inches, pounds, and months as operational risk, and not as …

Dec 19, 2025 · Less than a month after the cancellation of the Constellation class was announced due to cost overruns and schedule issues, the U.S. Navy revealed that it will turn to the design …