An American B1b Lancer bomber during an international air show.
A B-1 bomber has crashed in a remote area of southeast Montana, though the four crew members aboard the bomber plane were able to escape with minor injuries.
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Two pilots and two weapon systems officers were on board the plane according to CBS News.
All four ejected from the plane before the crash.
The crash took place near Broadus according to an Ellsworth Air Force Base in Rapid City spokesperson.
"We are actively working to ensure the safety of the crew members and have sent first responders to secure the scene and work closely with local authorities at the crash site," said Col. Kevin Kennedy, 28th Bomb Wing commander, according to CBS News.
Ellsworth Air Force Base is the home of the 28th Bomb Wing, which maintains and flies 28 B-1 bombers.
Approximately 60 B-1 bombers are employed by the U.S. Air Force fleet according to CBS News.
Kennedy said the Air Force will conduct a "thorough investigation" to figure out what caused the crash.
"Right now all of our thoughts and prayers are with the crews and their families," said Kennedy.