Lockheed Martin [LMT] believes international interest in the Navy’s Littoral Combat Ships is growing and could amount to foreign sales of at least 50 of the vessels over the next decade, a company executive said ahead of the Navy League’s Sea Air Space exposition this week. Lockheed Martin says its Littoral Combat Ship is generating international interest. Photo: Lockheed Martin Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:"";…