Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility personnel assist in the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

A Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility employee uses an instrument to direct line handlers during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

A Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility employee uses an instrument to direct line handlers during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility personnel undock the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility personnel assist in the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

Tugboats direct the Dry Dock 2 caisson, center, pier-side during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. The caisson is the vessel which forms the watertight seal at the entrance to a dry-dock. Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

Tugboat ASD Daniel Akaka assists in moving the Dry Dock 2 caisson during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. The caisson is the vessel which forms the watertight seal at the entrance to a dry-dock. Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

A Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility worker tosses a line from the caisson to personnel on tugboat ASD Daniel Akaka during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. The caisson is the vessel which forms the watertight seal at the entrance to a dry-dock. Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility personnel assist in moving the caisson during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. The caisson is the vessel which forms the watertight seal at the entrance to a dry-dock. Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

A safety sign notifies Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility personnel of active operations during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)

A Pearl Harbor Naval Shipyard & Intermediate Maintenance Facility diver directs rigging equipment into the water during the undocking of the Virginia-class attack submarine USS Minnesota (SSN 783) from Dry Dock 2, Oct. 12, 2023. This undocking is a major milestone in the submarine’s extended docking selected restricted availability (EDSRA). Each undocking is a complex evolution that requires teamwork across the entire shipyard to ensure a safe and on-time event. (U.S. Navy photo by Lauren Padden)