Vulnerability Assessment of Aircraft A Review of the Department of Defense Live Fire Test and Evaluation Program (1993) / Chapter Skim
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Executive Summary
Executive Summary
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The Live Fire Test Law. As a result of the controversy over the vulnerability testing of the U.S.
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to review and evaluate the current vulnerability assessment methodologies for aircraft, including both analysis/modeling and live fire testing; (2) to review and evaluate the current direction of the congressionally mandated Live Fire Test programs within OSD and the Services; and (3)
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In general, the committee believes that the combination of analytical models, supported by live fire tests on components and subsystems, and the full-scale Live Fire Tests are mutually compatible in the vulnerability assessment and design of aircraft. They complement each other, and the whole is superior to the sum of the parts.
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The committee is concerned that the written guidance provided by the LFT&E Office does not provide sufficient detail, particularly with respect to the full-scale tests, to ensure that the Program Manager can satisfy the requirements of the OSD policy and the LFT law, and also design a cost-effective test plan that will ensure the system requirements are satisfied. The various definitions given in the 1988 LFT&E Guidelines have been interpreted by some to imply that full-scale, full-up Live Fire Tests do not have to be conducted, that is, the OSD LFT policy is satisfied by Live Fire Tests only on sub-scale targets, such as major portions or subassemblies of an aircraft.
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The committee is aware of the strong differences of opinion held by various individuals and organizations concerning the efficacy of the Live Fire Test law and of the level of mutual distrust that has evolved as a result of these opinions. This distrust between the various participants of each other's motives and actions is probably responsible for the ever increasing tensions within the current Live Fire Test program.
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The major factor in the cost of vulnerability assessment is the requirement for the full-scale Live Fire Test program mandated by the Live Fire Test law. The law offers a waiver from the full scale, full-up tests when they would be unreasonably expensive and impractical.
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The future of vulnerability assessment will most likely involve one or more of these three categories. Conclusions After reviewing the vulnerability assessment methodologies; evaluating the cost, effectiveness, and deficiencies of these methodologies; and reviewing and evaluating the Live Fire Test law and the OSD and Service Live Fire Test & Evaluation programs, the committee has come to the following conclusions.
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• Conclusions Regarding the Vulnerability Assessment Methodologies 13. Based upon its review of the two methodologies, the committee concludes that both vulnerability analysis and live fire testing, including the mandated Live Fire Testing, are essential in a mix peculiar to each aircraft development program.
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5. The committee recommends that the Director, Test and Evaluation, expand the charter of the Live Fire Test and Evaluation program from its current oversight of those tests that are part of the congressionally mandated Live Fire Test program to include oversight of vulnerability assessment.
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12. The committee recommends that aircraft programs that become "prototype" programs, such as the RAH-66, not be excluded from live fire testing.
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