1 of 5 The US-led coalition forces in Iraq face violent attacks and suicide bombings, but nature has its hazards as well - like this dramatic desert sandstorm.
2 of 5 The storm hit on Tuesday, at the former Iraqi airbase at al-Asad, about 180 km (110 miles) west of Baghdad, now home to a US marine corps unit.
3 of 5 The sandstorm approaching at around 60 mph (95 km/h) engulfed people, buildings and equipment.
4 of 5 The sky turned orange as the storm approached, until total darkness blanketed the ground.
5 of 5 Experts say such storms are extremely rare in Iraq, and can spring up almost without warning. Pictures taken by Gunnery Sergeant Shannon Aldredge, US marine corps photographer.