Patch for DD-951 USS Turner Joy available via:
http://stores.ebay.ca/Battlefield-Store
(Just enter Turner Joy in the searchfield, and patch for 11.70 USD (2 different actually), will display).
or.... Try contacting the webmaster at the following website...
USS Turner Joy official homepage (Museum):
http://www.ussturnerjoy.org
See also, though not having "patches" for specifically DD-951, the following aswell...
Ballcaps -USN Destroyers (scroll down to 2nd listing of DD-951) + photo of ballcap DD-951:
http://www.military-patches.com/navy/cruiserhats.html
http://www.military-patches.com/navy/hatpix/92453.jpg