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  • Members of the 81st Security Forces Squadron participate in the ammo carry portion of the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    Members of the 81st Security Forces Squadron participate in the ammo carry portion of the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • Members of the Keesler Marine Detachment team participate in the air squats portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    Members of the Keesler Marine Detachment team participate in the air squats portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • Members of the Keesler Marine Detachment team participate in the pull-up portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    Members of the Keesler Marine Detachment team participate in the pull-up portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • U.S. Marine Staff Sgt. Brandon Mersereau, Keesler Marine Detachment instructor, watches as members of the Keesler MARDET team participate in the tire flipping portion of the 81st Security Forces Squadron Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    U.S. Marine Staff Sgt. Brandon Mersereau, Keesler Marine Detachment instructor, watches as members of the Keesler MARDET team participate in the tire flipping portion of the 81st Security Forces Squadron Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • Ruck sacks are displayed on the ground during the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    Ruck sacks are displayed on the ground during the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • Members of the 333rd Training Squadron team participate in the jump squats portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    Members of the 333rd Training Squadron team participate in the jump squats portion of the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • U.S. Air Force 2nd Lt. Brian Lee, 333rd Training Squadron student, completes a pull-up during the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    U.S. Air Force 2nd Lt. Brian Lee, 333rd Training Squadron student, completes a pull-up during the 81st Security Forces Squadron Defender's Challenge Ruck near the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • U.S. Air Force Staff Sgt. Jesse Daniel, 81st Security Forces Squadron confinement NCO in charge, and Staff Sgt. Tradarius Christian, 81st SFS police services, lead their team in running a lap while carrying ruck sacks during the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    U.S. Air Force Staff Sgt. Jesse Daniel, 81st Security Forces Squadron confinement NCO in charge, and Staff Sgt. Tradarius Christian, 81st SFS police services, lead their team in running a lap while carrying ruck sacks during the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res
  • U.S. Air Force Staff Sgt. Thane Sandy, 81st Security Forces Squadron combat arms instructor, flips a tire during the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    81st SFS hosts Defender's Challenge Ruck

    U.S. Air Force Staff Sgt. Thane Sandy, 81st Security Forces Squadron combat arms instructor, flips a tire during the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)

    Photo Details / Download Hi-Res

    81st SFS hosts Defender's Challenge Ruck

    • Published Aug. 20, 2019
    • By Kemberly Groue
    • 81st Training Wing Public Affairs
    KEESLER AIR FORCE BASE, Miss. --  
    Air Force Air Education and Training Command Airmen Keesler Air Force Base Mississippi 81st Training Wing 81st Security Forces Squadron defenders Year of the Defender Defender's Challenge Ruck Ruck sack Competitions obstacle course Endurance Physical Training fitness
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