A B-2 Spirit stealth bomber made an emergency landing at Peterson Air Force Base in Colorado Springs, Colo., Tuesday morning due to an unspecified issue during the flight, a spokesman for the base confirmed to the Washington Examiner.

Emergency responders arrived at the scene shortly after 4 a.m. local time Tuesday.

The bomber had been en route to its home base at Whiteman Air Force Base, located about 70 miles southeast of Kansas City, according to a news release provided by that Missouri base.

The Air Force did not state where the aircraft had departed from and said the cause of the "in-flight emergency" was "under investigation."

"Our aviators are extremely skilled; they're trained to handle a wide variety of in-flight emergencies in one of the world's most advanced aircraft and they perfectly demonstrated that today," Brig. Gen. John NIchols of the 509th Bomb Wing Commander said in a statement.

A B-2 stealth bomber can hold two crew members and is able to carry 40,000 pounds. It has been used by the Defense Department for nearly two decades.