Commander Dylan Schmorrow, a cognitive scientist with the navy, devised a crown of sensors to monitor activity in the brain such as blood flow and oxygen levels.

海军中校迪伦·斯莫罗是一位认知科学家，他设计出一种传感器人造冠，用来监测大脑的一些活动，如血流量和氧含量。

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The commander of a United States navy force in the Pacific, Thomas Jones, received news that led him to believe the United States was at war with Mexico.

VOA: special.2009.02.19

But the president was also commander-in-chief of the Army and Navy.

VOA: special.2010.05.10

This is what it said: I,Abraham Lincoln, president of the United States and commander in chief of the Army and Navy, do hereby declare that on the first day of January, eighteen sixty-three, all persons held as slaves within any state then in rebellion against the United States, shall then become and be forever free.

VOA: special.2009.10.08

Joseph A. Walsh, commander of the Navy's northeast region.

CNN: New York celebrates Parade of Ships

Tim Alexander, commander of the Navy's Mid-Atlantic region.

CNN: 'Oh my God!' Callers recount Navy jet crash

Dixon Smith, commander of the Navy's southwest region.

CNN: February 9, 2013 -- Updated 1435 GMT (2235 HKT)