This 79-Foot Catamaran Can Launch a Deep-Dive Submarine. Michael ... Shadowcat today announced a 79-foot catamaran that would serve as a mothership for a deep-diving ... Dow 30. 38,085.80-375.12 ...

This 79-Foot Catamaran Can Launch a Deep-Dive Submarine. The 79-ft. Shadowlark is designed around Triton's three-person 3300/3 MKII, making it the first launch/retrieval vessel for a personal sub.