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submarine emergency communication transmitter

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A simulated submarine hull section is secured following the loading of a submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released an act as a surface marker if and when the ship is sunk

A simulated submarine hull section is secured following the loading of...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A worker places a chock aboard a simulated submarine hull section prior to the loading of a submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released and act as a surface marker if and when the ship is sunk

A worker places a chock aboard a simulated submarine hull section prio...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O is loaded aboard a simulated submarine hull section during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released and act as a surface marker if and when the ship is sunk

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A man works to install a submarine emergency communication transmitter (SEC) buoy Mark 9 Mod O outside the pressure hull and inside the other hull of a simulated submarine hull section during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT will be released and act as a surface marker if and when the ship is sunk

A man works to install a submarine emergency communication transmitter...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O is secured aboard a simulated submarine hull section during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released and act as a surface marker if and when the ship is sunk

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O is loaded aboard a simulated submarine hull section during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released and act as a surface marker if and when the ship is sunk

A submarine emergency communication transmitter (SECT) buoy Mark 9 Mod...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

A simulated submarine hull section is secured following the loading of a submarine emergency communication transmitter (SECT) buoy Mark 9 Mod O during testing at the Naval Ordnance Laboratory. When put into fleet use the SECT, which will ride outside the submarine's pressure hull and inside the submarine's outer hull, will be released an act as a surface marker if and when the ship is sunk

A simulated submarine hull section is secured following the loading of...

The original finding aid described this photograph as: Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combine... More

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