The big dayAlvin gets loaded aboard her support ship Atlantis. We hire a 120-ton mobile crane to perform the lift since none of our shipboard or dockside cranes has the capacity to lift Alvin's 36,000 pounds the 45 feet over onto the vessel. (Woods Hole Oceanographic Institution)
Alvin sets a new *altitude* record -- 30 feet ABOVE sea level! (Woods Hole Oceanographic Institution)
Threading the needledropping the sub down over the shipboard crane and between the launch/recovery A-frame on the left and the control station "doghouse" on the right. (Woods Hole Oceanographic Institution)
Nearing touchdown on the transport sled, which allows us to move the sub from the hangar, foreground, to the launch position beneath the A-frame (rear). The sled utilizes a cog-railway type hydraulic drive to move over the steel tracks bolted to the ship's deck. (Woods Hole Oceanographic Institution)
Alvin's first swim following overhaul to check trim, electrical grounds and freeboard; also a test of the A-frame handling system hydraulics. (Woods Hole Oceanographic Institution)
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