An airman assigned to Eielson Air Force Base in Alaska was found dead on Tuesday.

Master Sgt. Joseph Williamson, with Detachment 3, 1st Weather Squadron, was found at his home, according to an Eielson news release.

“Yesterday we lost a member of the Iceman Team; this is a sad day for all of us,” Col. Shawn Anger, 354th Fighter Wing vice commander, said in the news release. “Our thoughts and prayers are with the family, friends and co-workers who have been affected by this tragedy.”

The Air Force Office of Special Investigations and local authorities are investigating the incident.