What are B-2 bombers, which flew overhead as Trump welcomed Putin?
US' B-2 Spirit stealth bomber flew overhead as President Donald Trump welcomed Russian President Vladimir Putin in Alaska. B-2 bomber costs about $2.1 billion each, making it the most expensive military aircraft ever built. It can fly up to a range of over 11,112-km without refuelling. It can reach "virtually any target worldwide", carrying over 18,144-kg of payload.