was put on utilizing the locally available (U. S. ) materials 

 in lieu of foreign and specialized offshore procured items. 

 In addition, sufficient time was to be available to establish 

 liaison with various instrumentation contractors to supply 

 expanded instrumentation capabilities for the bathyscaph, 

 such that it would be able to gather the maximum amount 

 of information on any given dive. 



2 6 June 1961. The modified TRIESTE was launched 

 and prepared for a resumption of diving operations. Some 

 delay was incurred in the supply of propulsion motors, 

 but it was decided that limited operations could commence 

 without the availability of these motors. 



7 September 1961. First harbor test dive of the 

 modified craft was made. 



12 September 1961. Second harbor test dive was 

 completed successfully with all discrepancies being cor- 

 rected. 



14 September 1961. First ocean test dive of modified 

 craft was made to a depth of 492 feet off San Diego, Cali- 

 fornia. 



11 October 1961. A satisfactory harbor test dive was 

 made after correcting deficiencies of prior ocean test 

 dive. 



13 October 1961. First scientific ocean dive of fiscal 

 year 1962 diving program was made; this was a geological 

 measurement dive to a depth of 192 feet. 



25 October 1961. A dive was made to a depth of 3870 

 feet for deep current studies. 



7 December 1961. A test dive was made in San Diego 

 Harbor to test completion of certain items; this was the 

 final dive of calendar year 1961. 



65 



