The 143-foot ketch, Atlantis was christened in 1931, shortly after Woods Hole Oceanographic Institution was founded. (Courtesy of WHOI Archives)
Atlantis II, shown here on a cruise to the Black Sea, served the oceanographic community from 1963 to 1996.
WHOI's third Atlantis was christened in 1997. (Jayne Doucette, Woods Hole Oceanographic Institution)