They told the Philippines a couple years ago (News) they were going to build a resort there...Lol and as you can see there's no protestors but we hit the same area with one of our wooden bottomed (Mine finder boats) and get fined in the Millions, dismantle and destroy the boat to appease the Anti-American protesters (Didn't work) only to have China completely cover this valuable reef, with mall and resorts. QUOTE]
I think the U.S ship hit a reef on the east side of Palawan, in the Tubbataha North Reef area, while Mischief reef is west of Palawan, in the Spratly Islands.
This link is to a site which explains what the 200 nautical mile Exclusive Economic Zone allows a country and helps one better understand why it benefits a country to want to claim an island.
What is the EEZ?