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
Summary
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
Combined Military Service Digital Photographic Files
Tags
Date
08/08/1968
Source
The U.S. National Archives
Copyright info
No known copyright restrictions