"New Coast Guard Computer System -- Installation of the Coast Guard's Control Data Corporation 3300 Computer System at Headquarters was completed on 9 November 1970. A period of system acceptance testing has been satisfactorily completed and the computer system has been accepted for use by the Coast Guard." Commandant's Bulletin, Supplement No 1, No. 4-71 (22 January, 1971), pp. 3, 7.