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PSAD-80-52 1 (1980-06-02)

handle is hein.gao/gaobabapi0001 and id is 1 raw text is: 5,D S 4112qeo UNITED STATES GENERAL ACCOUNTING OFFICE WASHINGTON, D.C. 20548 PROCUREMENT AND SYSTEMS ACQUISITION DIVISION B-198928 JUNE 2,1980 The Honorable Harold Brown The Secretary of Defense Attention: Assistant for Audit Reports Room 3A336 112418 ASD (Comptroller) Dear Mr. Secretary: Subject: The High Altitude, High Speed Target Program Should Either Be Modified Q Realistically Simulate the Threat or Be Kille! (PSAD-80-52) The High Altitude, High Speed Target (HAHST) program has several critical shortcomings that warrant your immediate attention. Because HAHST is not being developed to meet several of the approved operational requirements, it will not provide a threat-representative target to effectively evaluate our air defense weapons. Therefore, we believe that continuing the current HAHST program with these short- comings is not justified. HAHST is needed to simulate high speed, high altitude enemy bombers, fighters, and cruise missiles at speeds from Mach 1.2 to Mach 4.0 and at altitudes from 35,000 to 100,000 feet for testing weapon systems. HAHST will be used as a target to evaluate air defense missiles over the next 20 years. These air defense missiles will be using either radar sensor systems or infrared sensor systems to locate and destroy the targets. Therefore, HAHST must provide realistic radar and infrared signatures together with counter- measures which the enemy will use to interfere with the missiles' sensor systems. It also needs a scoring system to provide the information needed to determine warhead per- formance. Without these features, HAHST will not be an effec- tive target for testing air defense missiles. (951530)

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