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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. Base: White Oak State: Maryland (MD) Country: United States Of America (USA)

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. Base: White Oak State: Maryland (MD) Country: United States Of America (USA) Stock Photo
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Image details

Contributor:

NB/ROD / Alamy Stock Photo

Image ID:

2M7KTN8

File size:

23.6 MB (880.3 KB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

3000 x 2748 px | 25.4 x 23.3 cm | 10 x 9.2 inches | 300dpi

Date taken:

8 August 1968

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.