What groundbreaking scientific research project took place at Great Lameshur Bay in the 1960s?

The Tektite undersea project, which involved placing four Department of Interior scientists 50-feet below the surface of the ocean for a sixty-day period. It was a program jointly administered by the Navy, NASA and the Department of Interior. The undersea lodging that housed the aquanauts was manufactured by General Electric’s Missile and Space Division.  This website has three articles on the Tektite program: Tektite Program Overview ,  Tektite’s 40th Anniversary and Tektite II.

St. John Historical Society