Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the status of the Federal Aviation Administration's (FAA) implementation of the Display System Replacement (DSR) project, focusing on: (1) the status of FAA's overall modernization program; (2) FAA's progress in implementing DSR, with particular emphasis on events surrounding Boston's implementation; and (3) opportunities for continued success by FAA in completing its modernization projects."