The U.S. Air Force deployed two B-2 stealth bombers to Europe in 2014 to conduct training flights and become familiar with air bases and operations there. Click through the gallery to learn more about the aircraft.
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B-2 stealth bomber —
Maintainers and crew chiefs prepare a B-2 at Whiteman Air Force Base in Missouri in March 2011. There are only 20 B-2s in the Air Force fleet. All are based at Whiteman in the 509th Bomb Wing.
USAF/Senior Airman Kenny Holston/Released
B-2 stealth bomber —
A B-2 takes flight from Whiteman in April 2011. The B-2 is operated by a crew of two -- a pilot in the cockpit's left seat and a mission commander in the right.
USAF/Master Sgt. Steven Pearsall/Released
B-2 stealth bomber —
A KC-135 Stratotanker refuels a B-2 during a training mission in August 2012. The B-2 is powered by four General Electric F118-GE-100 engines, and it can travel 6,000 miles without refueling.
USAF/ A1C Franklin R. Ramos/97th Air Mobility Wing / Release
B-2 stealth bomber —
A B-2 takes off from Whiteman for a training run to Alaska in October 2002. B-2s can carry conventional or nuclear weapons. The planes have flown combat missions over Iraq, Afghanistan and Kosovo.
Tim Sloan/AFP/Getty
B-2 stealth bomber —
A B-2, left, flies near Osan Air Base in Pyeongtaek, South Korea, in March 2013. The B-2 has a wingspan of 172 feet, a length of 69 feet and a height of 17 feet.
Lee Jung-hun/Yonhap/AP
B-2 stealth bomber —
Airman 1st Class Steven McCray, a B-2 crew chief, performs pre-flight checks at Whiteman in April 2013. Each B-2 costs about $1.16 billion.