MIL-H-43388 › Complete Document History
Helmet, Flying, Protective (Ballistic and Crash) (Superseded by MIL-H-87140)
Obsolete Revision Information: |
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NOT - HELMET, FLYING, PROTECTIVE (BA - Feb. 22, 1980
BASE - HELMET, FLYING, PROTECTIVE (BA - Feb. 18, 1966 |