Israel is sticking to its guns on a demand the United States allow it to integrate its own electronic warfare suite in Lockheed Martin's F-35 Joint Strike Fighter, even though the Americans have given the green light to install other Israeli systems in the jet. Israel wants to buy an initial batch of 25 F-35s, enough for one squadron, in fiscal 2012 and would like to acquire another 50. The U.S. Department of Defense and Maryland-based Lockheed Martin, the prime contractor in the program, want to finalize a contract with Israel as soon as possible. The main holdup has been...