By Katya Andrusz

Aug. 14 (Bloomberg) -- The U.S. and Poland signed a preliminary accord today that will allow for 10 U.S. interceptor missiles to be based in the eastern European country, completing a defense system that Russia opposes.

The U.S. has agreed to Polish requests including modernization of its armed forces in exchange for the location of the missiles, Polish Prime Minister Donald Tusk said in an interview with private broadcaster TVN24 this evening.

``We are now harvesting the fruit of many months of hard work,'' said Polish Foreign Minister Radoslaw Sikorski at a joint press conference with U.S. Undersecretary of State John Rood in Warsaw. ``Only people of ill intent should fear this agreement.'' ....