Hurricane being refuelled

Pilot falling asleep

"S.S. Liverpool Pilot" on river

Nagasaki nuclear bomb, 9 August 1945

US Election Flashmob

Pilot and plane

US paratroopers invading Normandy, 1944

Closeup of US Flag painted on Nasa Vehicle Assembly Building

Top US officer pushes for troop decision in Iraq

Sandy strengthens as it turns toward US coast

British and US fighters, World War II

British and US bombers, World War II

Closeup of US Flag fluttering next to Nasa Vehicle Assembly Building

Protest against Facebook outside US Capitol

Trump on eve of US election

US Shopping in Maryland and Washington

Residents of Kabul criticize US military surge

US troop surge in Afghanistan: America reacts

Cuban-US alliance in anti-cancer enterprise

Voter turnout 'explodes' among blacks, Hispanics in US

US school shooting: gunman's apartment sealed off

Iraqis welcome pledge of US troop withdrawal

Top US envoy in Tripoli talks, Kadhafi son under guard

US couple jailed over 'sadistic' Bali suitcase murder

US Marines face scourge of Taliban home-made bombs