5 trends tracked about this subject — the full history, oldest to newest below.
NATO allies are conducting unprecedented naval exercises near Iceland to counter Russian nuclear submarines without the participation of United States forces.
10 news sources are covering this World story right now — PULSE is tracking how fast it spreads.
Russia has deployed anti-drone netting over its nuclear ballistic missile submarines at a key Pacific base to defend against potential Ukrainian drone attacks.
BAE Systems secures a multi-billion pound UK submarine contract as leaders emphasize national security and job creation.
Canada is expected to name the winner of a high-stakes competition to build 12 new submarines this Monday.