Dolphins joined the world's largest military maritime exercise in search of mines buried at the bottom of the sea.
Last October, Knifefish successfully completed sea trials testing its ability to detect mines at various depths.
Thirty-two teams are duking it out for an underwater robotic supremacy title.
Police said Ajmal Amani, 41, was holding a knife with a 6-inch blade.
New Zealand froze most port calls by U.S. Navy ships in 1985.
The deadline to be vaccinated is Dec. 15 for active-duty soldiers and June 30 for Reserve and Army National Guard troops.
Since World War II, the U.S. has treated the Marshall Islands, along with Micronesia and Palau, much like territories.
Philippine forces use a grounded warship, the BRP Sierra Madre, as an outpost on the submerged but strategic shoal.