Recent:
China demands end of US Navy surveillance
http://freerepublic.com/focus/f-news/2204830/posts
Chinese ships harass U.S. vessel
http://www.freerepublic.com/focus/news/2204872/posts
U.S. Will Continue to Sail in International Waters, Official Says
http://freerepublic.com/focus/news/2203840/posts
Background:
china: Beijing upgrades nuclear arsenal
http://www.freerepublic.com/focus/f-news/1840039/posts
(May, 2007)
The uninvited guest: Chinese sub pops up in middle of U.S. Navy exercise,(military chiefs red-faced)
http://www.freerepublic.com/focus/f-news/1923614/posts
(2007)
Imagery confirms underground nuclear sub base in China
http://www.freerepublic.com/focus/f-news/2003989/posts
U.S. Carrier Kitty Hawk was in 28-hour Standoff with Chinese Submarine
http://www.freerepublic.com/focus/f-news/1954459/posts