The Thunderbolt was a 189 foot Comanche Class mine layer built during World War II for the US Army. After the war she was transferred to the US Navy and later decommissioned and employed as oil exploration and lightning research vessel (hence the name “Thunderbolt”). After she sank at the dock in Miami, FL she was purchased for the artificial reef program and sunk off Marathon Key, FL in1986. She now rests on her keel in 120 fsw.

(Underwater images courtesy of SeaWolf Productions)

cable feed on bow (l); cable spool on bow (r)

another view of the cable spool (l); winch gear in hold (r)

resident jewfish (l) patrols the wreck; view of the portside deck looking forward (r).