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The laboratory was connected to the surface by means of umbilicals, 

 hoses, and cables. 



That is a view of the surface complex comprising two barges. The 

 barge in the foreground contained most of the lifting equipment. The 

 barge in the background contained the control vans and the various 

 pumping machinery required to supply the life support services re- 

 ferred to earlier. 



Now, within the interior of the van shown there the control of the 

 day-to-day operations was completed. This housed the operational con- 

 soles used by the watch director, the medical officer and the technical 

 observers, as well as the television and voice recording equipment 

 alluded to bj Mr. Burcher of NASA. 



All communications with the submerged crew were handled through 

 this van. 



Near the control van the decompression chamber and a crane 

 mounted personnel transfer capsule was located and at the end of the 

 mission the crew transferred into that capsule and were restored into 

 the decompression chamber, the object there in the foreground. 



They stayed within that chamber for approximately 20 hours be- 

 fore emerging on the surface. 



I pass now to the habitat itself, a model of which is in the fore- 

 ground here in the room. 



The habitat consists of two vertical cylinders mounted on a rec- 

 tangular base and interconnected to each other by a crossover tunnel. 

 The cylinders are 12.5 feet in diameter and the entire habitat measures 

 •about 25 feet from the base to the top of each cylinder. A cupola for 

 observation purposes is located on the right-hand cylinder. The cyl- 

 inders are divided into four compartments consisting of crew quarters 

 in the lower left, the bridge — upper left, the engine room — upper 

 right, and the wet room^ — ^lower right. 



I will now give you a short description of each of those four rooms. 

 The crew quarters contained the berthing, food storage, cooking, gen- 

 eral housekeeping arrangements, together with equipment for enter- 

 tainment, private communications with the surface and the measuring 

 and recording of sleep state. An emergency hatch was located below 

 the floor for egress from the habitat if needed. Provisions were made 

 for emergency lights, and two means of air supply, one portable and 

 one fixed. 



This particular slide is taken from the outside looking in through 

 one of the domed portholes that abound around the habitat. 



We move upstairs now to the bridge. The bridge served as a com- 

 anunications and control center as well as a study room for the crew. 

 The equipment located in the bridge consisted of instruments to meas- 

 ure the composition of the habitat atmosphere, a main communications 

 console, and an alarm panel to indicate emergencies and emergency 

 provisions for light as well as breathing air. 



We are now in tlie wet room, and the wet room was intended to serve, 

 and did serve, as a working laboratory area. 



It had provisions for the donning and doffing of diver equipment, 

 a fresh water shower, dryer for towels, and so forth. Provisions were 

 made for charging of air tanks used on normal excursions. A large 

 counter and sink were used to prepare marine specimens for study 

 and analysis. The main entry hatch was located in the floor and that 

 served as the normal route for entry and exit from the habitat. 



