Northrop Grumman Corp. recently supported the successful test of the Minuteman III Propulsion System Rocket Engine (PSRE) at NASA's White Sands Testing Facility in Las Cruces, N.M.
The PSRE is the liquid post-boost upper stage of the Minuteman III intercontinental ballistic missile. This was a designated product quality assurance (PQA) test, which is a full mission duty ground static test conducted in NASA's altitude test cell. The PQA test is performed to verify the quality of the PSRE after it is refurbished by the PSRE life-extension program (LEP). This test represents the last of seven PQA static tests for the PSRE LEP program.
The PSRE LEP program, initiated in 2000, is managed under a joint partnership between Northrop Grumman and the U.S. Air Force. Aerojet and Boeing also support the program. The program is responsible for refurbishing the entire Minuteman III fleet of PSREs and extending its service life through 2030. Upon completion of the program last month, 558 PSREs will have been delivered to the Air Force.
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