Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility riggers install a port retractable bow plane info a submarine at Joint Base Pearl Harbor-Hickam, Hawaii, April 8, 2026. The team utilized chain hoists to calibrate the plane as a crane lifted it from a flatbed into a submarine. The task is performed several times a year and requires a multi-year training pipeline to master. Shipyard riggers are specialized professionals who securely lift, move, and position heavy machinery, ship sections, and structural materials using cranes, chains, and cables.
PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight" by repairing, maintaining, and modernizing the Navy's fast-attack submarines and surface ships....