Members of the U.S. Army’s 74th Engineer Dive Detachment work with U.S. Coast Guard Regional Dive Locker West members on a project at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. The teams were working together to inspect and replace rusted bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Members of the Army’s 74th Engineer Dive Detachment work with U.S. Coast Guard Regional Dive Locker West members on a project at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. The teams were working together to inspect and replace rusted bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Rusty bolts on the breakwater at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. Members of the U.S. Army’s 74th Engineer Dive Detachment and U.S. Coast Guard Regional Dive Locker West worked together to inspect and replace the bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Deputy Harbormaster Matt Creswell, left, explains to the project to Shawn Price, of U.S. Coast Guard Regional Dive Locker West, at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. Members of the U.S. Army’s 74th Engineer Dive Detachment and U.S. Coast Guard Regional Dive Locker West worked together to inspect and replace the bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Members of the U.S. Army’s 74th Engineer Dive Detachment work with U.S. Coast Guard Regional Dive Locker West members on a project at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. The teams were working together to inspect and replace rusted bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Sgt. Cesar Rodriquez, left, and Sgt. Kenneth Byrd, of the U.S. Army’s 74th Engineer Dive Detachment check their gauges one last time before submerging on a project at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. Members of the U.S. Army’s 74th Engineer Dive Detachment and U.S. Coast Guard Regional Dive Locker West worked together to inspect and replace the bolts holding the harbor’s breakwater together. (Michael Penn | Juneau Empire)

Tethered wrenches wait for members of the U.S. Army’s 74th Engineer Dive Detachment and U.S. Coast Guard Regional Dive Locker West as they work together on a project at the Don D. Statter Boat Harbor in Auke Bay on Friday, Aug. 16, 2019. (Michael Penn | Juneau Empire)