The mystery is revealed!

Cadets from the University of North Dakota pulled a Humvee around a traffic circle during the Lt. Benjamin John Hall Challenge at Camp Dodge, Iowa, March 17 during the first 3rd ROTC Brigade Gaspers-Cahill Ranger Challenge.

It was one of the mystery challenges, which included repelling, a tire toss, and a Humvee pull.

Hall, a graduate of Michigan Technological University, was killed July 31, 2007 in the Chowkay Valley, Afghanistan while assigned to D Co., 2nd Battalion (Airborne), 503^rd Infantry Regiment from Vicenza, Italy.

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Two cadets from the University of North Dakota negotiate flipping an industrial size tire during the Lt. Benjamin John Hall Challenge at Camp Dodge, Iowa, March 17 during the first 3rd ROTC Brigade Gaspers-Cahill Ranger Challenge.

The challenge was named for two of the brigade’s 11 alumni who died in combat, Nebraska graduates, 1st Lt. Kevin J. Gaspers and Capt. Joel E. Cahill.