Staff Sgt. Daniel Graham, 4th Civil Engineer Squadron firefighter, attaches a mechanical advantage system to help add tension to the main line during rope and confined-space rescue training, Oct. 30, 2017, at the training tower at Seymour Johnson Air Force Base, North Carolina. This simulation was part of a 10-day training, which certified about 15 firefighters from the 4th CES on various rescue operations. ( Air Force photo by Tech. Sgt. David W. Carbajal)

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Keywords: 4, 4th, ces, civil, confined, confined-space, engineer, firefighter, firefighters, rescue, rope, seymour, space, squadron, team