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Using the NASA orbital debris mitigation guidelines as a foundation, in 1997 NASA and DoD agreed upon four overarching orbital debris mitigation standard practices addressing 1) the release of debris during normal operations, 2) debris generated by accidental explosions, 3) safe flight profiles and operational configuration, and 4) post-mission disposal.
Government Orbital Debris Mitigation Standard Practices (1997) http://orbitaldebris.