A Fort Carson soldier has been reported missing after not being seen since Tuesday evening, according to a U.S. Army news release.

Pvt. 1st Class Aaron Frame, 20, an infantryman assigned to 2nd Battalion, 23rd Infantry Regiment, 1st Stryker Brigade Combat Team, was last seen in formation at Fort Carson at 5 p.m. Tuesday, but failed to report for duty the next morning, the news release stated.

His unit leadership and family have not been able to contact him since Tuesday, and the exact cause of his departure is unknown.

Frame is an 186-pound, 5-foot-10-inch man with brown hair and blue eyes.

He drives a black Kia Forte with the Colorado license plate AYGU52.

Anyone with information about Aaron’s whereabouts is urged to contact Fort Carson Military Consolidated Police Dispatch at 719-526-2333.