Attacking the battle rig

Scott Underdahl makes his way to the end of the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

Joshua Vickrey swings toward his next hand-hold on the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

An athlete tries to hold on while looking for his next hand-hold on the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

Tiffany Hatcher jumps into another section of the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Hatcher was the only female competitor to make it to the end of the rig, only to drop on the last step before completion. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

An athlete tests his grip on the first obstacle of the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

Randal Forsythe holds on to the cannon barrel during his attempt on the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

An athlete begins his attempt on the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

An athlete reaches for his next hand-hold on the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)

An athlete jumps into another section of the Alpha Warrior battle rig July 31 at Eglin Air Force Base, Fla. Approximately 40 men and women attempted to complete the battle rig with only six finishing. After the competition, the battle rig will become a permanent training fixture at the pavilion behind the Field House near the East Gate track. (U.S. Air Force photo/Samuel King Jr.)