Artwork depicting closed-cycle underwater breathing system, designed and built by General Electric's Re-entry adn Environmental Systems Division

Artwork depicting closed-cycle underwater breathing system, designed and built by General Electric’s Re-entry adn Environmental Systems Division. This system will be used for the first time in underwater research in the Tektite II Program . This system can operate for up to six hours and does not generate bubbles like conventional scuba, thus enabling inconspicuous marine life observations.