The Pentagon is sending the Thomas Hudner, a destroyer, and F-35 fighter jets after Iran tried to seize two oil tankers near the strait early this month.
Taiwan's defense ministry said it detected three ships from the Chinese navy, including the Shandong aircraft carrier, passing through the Taiwan Strait.
This year's Balikatan exercises between the treaty allies are the largest since the two sides started joint military combat-readiness exercises in 1990s.
Sailors fire M240s off the coast of Canada, the Golden Knights drop in on California, Marines arm an F-35B aboard the HMS Queen Elizabeth and more in this week's Frontline Photos.
The Air Force Thunderbirds over Cleveland, soldiers firing a Carl Gustav in Alaska, sailors transiting the Taiwan Strait and more in this week's Frontline Photos.