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John Greim, 436th Maintenance Squadron Isochronal Inspection Dock controller, explains the C-5M isochronal inspection process to Rep. Anthony Brown, of Maryland, as they walk down the wing of a C-5M Super Galaxy Feb. 14, 2020, on Dover Air Force Base, Delaware. Walking behind Greim and Brown are Col. Matthew Jones, 436th Airlift Wing commander, and Rep. Lisa Blunt Rochester, of Delaware. (U.S. Air Force photo by Roland Balik)