Following two days of silence and reported investigation, the Pentagon has confirmed that two U.S. airmen were killed in an Air Force plane crash Monday in Afghanistan.

“The Department of Defense announced today the deaths of two airmen who were supporting Operation Freedom’s Sentinel,” it said in a statement released on Wednesday.

Lt. Col. Paul K. Voss, 46, and Capt. Ryan S. Phaneuf, 30, died Monday in the crash of a Bombardier E-11A aircraft in Ghazni, central Afghanistan, it said.

The cause of the crash remains under investigation.

On Monday U.S. Forces Afghanistan (USFOR-A) spokesman Col Sonny Leggett announced

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