Nuclear arms race: US bombers set for £266 billion upgrade as war threat rises

WARPLANES in the US are preparing to cause more devastation as the superpower upgrades its nuclear bombs aboard its stealth air force fleet.

http://www.dailystar.co.uk/news/latest-news/534889/Nuclear-Arms-Race-US-Bomb-B61-Upgrade-NATO-Vladimir-Putin-Russia-World-War-3