Attack Warning:

Status of the Cheyenne Mountain Upgrade Program

AIMD-94-175: Published: Sep 1, 1994. Publicly Released: Sep 1, 1994.

Additional Materials:

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Pursuant to a congressional request, GAO reviewed the Air Force's Cheyenne Mountain Upgrade (CMU) program, focusing on the: (1) current cost and schedule for the CMU program; (2) status of CMU subsystems development and performance; (3) status of the integration of CMU systems; and (4) management issues affecting future CMU development.

GAO found that: (1) the CMU program continues to experience cost increases and schedule delays; (2) major CMU subsystems are unreliable and do not meet users' requirements; (3) the Air Force has prematurely declared some subsystems operational; (4) because the Air Force is paying for some CMU subsystem development with funds designated for operations and maintenance, the cost of developing CMU is being understated; (5) significant incompatibilities among CMU component subsystems have been identified that could prevent the overall system from becoming fully functional; and (6) the Air Force has made improvements in program management and is considering further program management changes.

Oct 12, 2017

Oct 2, 2017

  • budget icon, source: GAO

    U.S. Territories:

    Public Debt Outlook
    GAO-18-160: Published: Oct 2, 2017. Publicly Released: Oct 2, 2017.

Sep 20, 2017

May 3, 2017

Jan 18, 2017

Jan 17, 2017

Jan 12, 2017

Dec 20, 2016

Dec 8, 2016

  • budget icon, source: GAO

    State and Local Governments' Fiscal Outlook:

    2016 Update
    GAO-17-213SP: Published: Dec 8, 2016. Publicly Released: Dec 8, 2016.

Dec 1, 2016

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