"My life won't feel complete unless I do this," wrote one Navy SEAL trainee who killed himself in April when he didn't make the cut.
The missiles are called the "Guam Killer."
The USS William P. Lawrence, a guideded-missile destroyer, sailed within 12 miles of one China’s largest artificial islands Tuesday.
He was killed along with three other Islamic State fighters.
U.S. support includes medical capabilities and reconnaissance aircraft.
Two members of the Taliban were killed and 60 prisoners were rescued.
Al-Qaeda is providing more "capabilities and skills" to the Taliban, a U.S. general said.
"We all must be prepared to do more," Defense Secretary Ashton B. Carter tells allies.
James Bradley says his father was part of the first flag-raising, not the second one that was made famous by an AP photographer.