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 Guard. The program was announced on December 19, 2025, and the ships will be built by Huntington Ingalls Industries.
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 Guard. The program was announced on December 19, 2025, and the ships will be built by Huntington Ingalls Industries.
== Development == thumb|The Legend-class cutter, the base design for the FF(X)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).