Swamp Ruck

To celebrate the Air Force's birthday (18 Sep 1947), the cadets ruck up and down the ramps at the "Swamp." In their backpacks, they carry canned goods that are donated to a local foodbank at the completion of the ruck. The length of the ruck increases each year to correspond with the Air Force's age--the 74th birthday equals 7.4k, the 75th birthday equals 7.5k, etc.