Britain bets on Trident subs to keep nuclear edge
Britain's plan to buy Trident missiles from the United States and build four or five submarines to carry them aims to sustain the nation's place as the third-largest nuclear power into the next century. Each submarine would launch 16 missiles with up to eight warheads each, totaling up to 256 warheads at sea. The decision, costing about 12 billion dollars over 15 years, faces debate over its value, cost, and impact on public services amid economic strain.