Editing DSV Alvin (section)

=== Sinking  ===
[[File:Alvin (DSV-2) sunk 1968.jpg|thumb|right|The sunken ''Alvin'' on the ocean bottom in June 1969, photographed by {{USNS|Mizar|T-AGOR-11}}.]] 
''Alvin'', aboard the Navy tender ship ''Lulu'', was lost as it was being transported on October 26, 1968. ''Lulu'', a vessel created from a pair of decommissioned U.S. Navy [[Pontoon (boat)|pontoon boat]]s with a support structure added on, was lowering ''Alvin'' over the side when two steel cables snapped. There were three crew members aboard ''Alvin'' at the time, and the hatch was open. Situated between the pontoons with no deck underneath, ''Alvin'' entered the water and rapidly began to sink. The three crew members managed to escape, but ''Alvin'' flooded and sank in {{convert|1500|m|abbr=on}} of water in the [[Atlantic Ocean]] at approximately {{coord|39|53|30|N|069|15|30|W|name="DSV ''Alvin''"}}, about {{convert|88|nmi|mi km|lk=in}} south of [[Nantucket Island]].<ref name="Salvops69">[http://www.supsalv.org/SalvReports/SALVOPS%2069.pdf ''SALVOPS 69'', Washington, D.C.:Department of the Navy Naval Ship Systems Command, 1969, pp. 1–18.] {{webarchive|url=https://web.archive.org/web/20160424091713/http://www.supsalv.org/SalvReports/SALVOPS%2069.pdf |date=24 April 2016 }}</ref>

Severe weather prevented the recovery of ''Alvin'' throughout late 1968, but it was photographed at the bottom of the Atlantic Ocean in June 1969 by a sled towed by [[USNS Mizar (T-AGOR-11)|USS ''Mizar'']]. ''Alvin'' was found to be upright and appeared intact except for damage to the stern. It was decided to attempt recovery; although no object of ''Alvin''{{'}}s size had ever been recovered from a depth of {{convert|5000|ft}}, recovery was "deemed to be within the state of the art". In August 1969, the ''[[Aluminaut]]'', a DSV built by [[Reynolds Metals Company]], descended to ''Alvin'' but had trouble attaching the required lines, and side effects from [[Hurricane Camille]] were producing worsening weather, causing the team to return to Woods Hole to regroup. The second attempt started on August 27, and ''Aluminaut'' was able to secure a line and safety slings to ''Alvin'' and wrap a nylon net around its hull, allowing it to be hauled up by ''Mizar''. ''Alvin'' was towed, submerged at {{convert|40|ft|m}}, at a speed of {{convert|2|kn|km/h}}, back to Woods Hole.<ref name ="Salvops69" />