Keywords: Alvins controls.jpg View of controls at Alvin Alvin´s first pressure sphere was 7 feet in diameter accommodated two pilots and one observer and had instrumentation and life-support equipment sufficient to sustain the crew for 24 hours http //www onr navy mil/media/releases/image_gallery/images/alvin_controls jpg Office of Naval Research PD-USGov-Military-Navy Alvin DSV-2 |