Mud warrior

2nd Lt. Thomas Pace, of the 46th Test Wing, scales the last mud hill before the finish of the Emerald Coast MudRun for Orphans in Niceville Fla., May 19. Active duty and reserve service members came out to get dirty in either the morning or afternoon 5K challenges. (U.S. Air Force photo/Samuel King Jr.)

Moving forward

Firefighters move toward the front of the aircraft during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Engulfed

Flames rise up as Airman Brentley Kilpatrick, a 96th Civil Engineer Squadron firefighter, battles the blaze inside the aircraft during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

In the midst

A two-man team of firefighters battle a blaze in the cockpit as another fire burns in the tail section of the aircraft during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Fire Man

Airman Brentley Kilpatrick, a 96th Civil Engineer Squadron firefighter, battles a blaze inside the aircraft during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Firefighters

A two-man firefighting team enters the aircraft from the wing to battle a fire in the tail section during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Wall of flame

A two-man team battles a huge blaze at the front of the aircraft as part of a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Attack!

A team of three firefighters move toward the flames on the engine of an aircraft during a live-fire exercise at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Backing up

A firefighter pulls a hose back out of the burn pit after battling a controlled fire on the wing and nose of the aircraft at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Water guns

Sean Horrigan, of the 96th Civil Engineer Squadron, monitors firefighters’ progress as they battle a controlled aircraft fire from their fire engines at Eglin Air Force Base, Fla. The aircraft fire training is a yearly requirement for Eglin’s Airmen and civilian firefighters. The firefighters must battle a fire on the inside and outside of the aircraft to complete the training. (U.S. Air Force photo/Samuel King Jr.)

Watchful eye

Sgt. Brandon Jones, a maintainer with the Marine Fighter Attack Squadron-501, monitors the F-35B Lightning II joint strike fighter during an engine run May 7 at Eglin Air Force Base, Fla. (U.S. Air Force photo/Samuel King Jr.)

Lightning in the shade

The F-35B Lightning II joint strike fighter performs an engine run underneath a sun shade on the 33rd Fighter Wing flightline May 7 at Eglin Air Force Base, Fla. (U.S. Air Force photo/Samuel King Jr.)