Key Points and Summary - A comparison between the UK's Astute-class and the U.S. Virginia-class Block IV nuclear attack submarines reveals two highly capable but distinct designs shaped by national ...

BREMERTON, Wash. — The Navy officially has a new “backbone” of its submarine fleet that is bigger, faster, quieter, and has more endurance and firepower than the Vietnam War-era design it passed by in ...

Key Points and Summary - The U.S. Navy faces a "worsening attack submarine deficit" because its aging Los Angeles-class submarines are retiring faster than new Virginia-class boats can be built.

While all of the Navy’s Virginia-class submarines are capable and formidable, the new Block IV iterations are particularly dominant in the waters. Both USS Idaho and USS Massachusetts are of the Block ...