Could I order a new chequebook, please? http://buy-levitra-online.in.net/ levitra generic Precise totals on the extent and cost of these mistakes are impossible to come by, and for the very reason the errors plague the military in the first place: the Defense Department's jury-rigged network of mostly incompatible computer systems for payroll and accounting, many of them decades old, long obsolete, and unable to communicate with each other. The DFAS accounting system still uses a half-century-old computer language that is largely unable to communicate with the equally outmoded personnel management systems employed by each of the military services.