flIL-R-27r1A VALID NOTICE I bb 9 999990b Or178847 8 D I INCH-POUND I NOTICE OF VALIDATION MILITARY SPECIFICATION RULES, SOUNDING, JOINTED MIL-R-2784A NOTICE 1 7 June 1991 MIL-R-2784A, dated 20 September 1957 has been reviewed and determined to be valid for use in acquisition. Preparing activity: Navy-SH AMSC N/A FSC 6680 DISTRIBUTION STATEMENT A. Approved for release; distribution is unlimited. Licensed by Information Handling Services