More than 18,000 personnel from the army, navy, air force and marine corps participated in the U.S. military's largest joint exercise, a nine-day drill held in the western Pacific.
Valiant Shield 2014
![The Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) prepares to conduct a replenishment at sea during Valiant Shield 2014, Sept. 20, 2014.](https://gdb.voanews.com/27840E1F-17AC-4BCE-B594-430F77A2F90A_w1024_q10_s.jpg)
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The Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) prepares to conduct a replenishment at sea during Valiant Shield 2014, Sept. 20, 2014.