Experimental Data - Group I https://hdl.handle.net/11256/1000 2026-04-22T16:00:53Z 2026-04-22T16:00:53Z PPG PR-2930 MIL-PRF-32662A qualification data https://hdl.handle.net/11256/1002 2023-09-07T20:22:57Z PPG PR-2930 MIL-PRF-32662A qualification data PPG PR-2930 MIL-PRF-32662 test data