DEBLIN, Poland, Apr 18, 2003 (AP WorldStream via COMTEX) -- Poland on Friday signed a deal to buy 48 U.S.-made F-16 jet fighters for US$3.5 billion, the biggest defense contract by a former Soviet bloc country since the end of the Cold War. Along with the purchase of planes from Lockheed Martin Corp., Polish and U.S. officials concluded an agreement for U.S. investment in Poland, business deals with Polish manufacturers and transfer of technology that the government valued at a minimum of US$7.5 billion. With its complexity, scope and promise of economic benefits for the former communist nation, the package...