MIL-D-81622A (NOTICE 1), MILITARY SPECIFICATION: DETECTING RANGING SET, SONAR AN/AQS-13A (15 APR 1988)
MIL-D-81622A (NOTICE 1), MILITARY SPECIFICATION: DETECTING RANGING SET, SONAR AN/AQS-13A (15 APR 1988)., MIL-D-81622A (AS), dated 17 January 1974, has been reviewed and determined to
be current.