The USS Fort Worth (LCS-3), the third of the Navy’s Littoral Combat Ships, has left its port in Singapore for a possible role in the search and recovery of an AirAsia passenger jet that went down in the Java Sea.The Navy said the Fort Worth departed Singapore Friday morning local time to prepare for possible involvement if the Indonesian government asks for more help.“The ship and sailors onboard have not yet been tasked to help with the search operation, but…