Air Force Master Sgt. Brett Bickford, 243rd Engineering Installation Squadron, Maine Air National Guard, displays a Petzel I’D self-braking descender at the South Portland Air National Guard Station, South Portland, ME, Aug. 3, 2017. The Petzel I’D is used by Airman during tower rescue training, or in the case of a real emergency, and includes an anti-panic and anti-error catch function to increase user safety.

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 243rd, air, communication, eis, engineering, guard, installation, maine, national, rescue, squadron, technology, tower, training