繼續科普...
080723-N-9988F-004 ATLANTIC OCEAN (July 23, 2008) The Nimitz-class aircraft carrier USS Dwight D. Eisenhower (CVN 69) conducts
rudder swing checks in the Atlantic Ocean after completing a six-month planned incremental availability at Norfolk Naval Shipyard.
071030-N-6074Y-053 PACIFIC OCEAN (Oct. 30, 2007) - USS Ronald Reagan (CVN 76) conducts
rudder checks as part of the ship's Board of Inspection and Survey (INSURV) following a six-month Planned Incremental Availability.
All naval vessels are periodically inspected by INSURV to check their material condition and battle readiness. <----講每條海軍船都會定期比INSURV檢查"material condition"同"battle readiness"
看來科普教育嚴重不足啊
