That submersible incorporated parts of the original bathyscaphe and was completed in early 1964. Jacques was welcomed to the U.S. to demonstrate his bathyscaphe, now named the "Trieste". Mizar primarily used a short baseline (SBL) system to track the bathyscaphe Trieste 1. It was dive 61 in a long series of bathyscaphe dives supervised by Jacques Piccard. They reached a maximum depth of 10,911 meters in the bathyscaphe "Trieste". The foam supersedes gasoline-filled tanks for flotation as used in the historic bathyscaphe "Trieste". Modern deep-diving submarines derive from the bathyscaphe, which in turn evolved from the diving bell. In 1954, with this bathyscaphe, Piccard reached a depth of . The bathyscaphe "Trieste" was alerted on 11 April and brought from San Diego to Boston. This system was used to guide the bathyscaphe Trieste 1 to the wreck site. The NFSR also funded the FNRS-2, which was the first ever bathyscaphe built. The design was based on previous experience with the bathyscaphe "FNRS-2". The FNRS-3 or FNRS III is a bathyscaphe of the French Navy. The bathyscaphe was placed on board and shipped to Boston. The more you play the deeper it gets - eventually you'll need a bathyscaphe.