Fireman David Lebrun, a member of Coast Guard Aids to Navigation Team Coos Bay, works inside a 35-foot tall skeletal aids to navigation range tower during tower climbing training in Winchester Bay, Ore., Oct. 17, 2018.
ANT members are required to qualify and maintain proficiency as tower climbers in order to service any aids higher than four feet off the ground. U.S. Coast Guard photo courtesy of Aids to Navigation Team Coos Bay.