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IUSS

WASHINGTON (March 9, 2009) The military Sealift Command ocean surveillance ship USNS Impeccable (T-AGOS-23) is one of five ocean surveillance ships that are part of the 25 ships in the Military Sealift Command Special Mission Ships Program. Impeccable directly supports the Navy by using both passive and active low frequency sonar arrays to detect and track undersea threats. (U.S. Navy Photo/Released)

Redacted watchdog report spotlights Navy staffing strains impacting undersea surveillance

The Defense Department’s Office of Inspector General warned that manning the IUSS has proven to be an "enduring challenge" for the Navy.

2 hours ago By Brandi Vincent