Display Room Three Room Three is mostly an equipment room. There is a complete Model 19 Teletype send/receive/reperf(s) position with a "figure 8" model tape. The "Chief as seen by his......." donated by Chief Dupuis. Portrait of USS Remora SS-487, A3D-2Q were donated. The Pueblo Association donated a large picture of their ship. A complete AN/WYQ-7 and AN/BRQ-7 (Wick/brick) position donated by Naval Security Group Activity Groton, CT. Electronic Cipher Machine (ECM), also known as SIGBA, called the "Gross Machine" by the Germans because neither they, nor the Japanese or Italians could break the machine. Other equipment's in the room, R-390, SP-600, BC224E, TT-36 of the GGA. In the near future we hope to have RBB and RBC working receivers. Several of the first computers used by the Naval Security Group are on display, as well as the "Fruit Machine" a donation from the British during World War II.