Boeing Co. has finalized a $5.3 billion four-year agreement with the U.S. Navy to build 124 F/A-18 fighter jets and electronic attack planes, a deal that will generate savings of over $600 million.The deal, announced on Tuesday by Boeing and the Pentagon, calls for the company to deliver 66 F/A-18 “Super Hornet” fighters and 58 EA-18G airframes designed for electronic attack to the Navy from 2012 through 2015.Boeing said the agreement would generate more than $600 million in savings by allowing Boeing and its suppliers to plan further ahead and buy materials in bulks, making production more efficient than under a single year contract.The contract is based on a price of about $42.7 million per airplane, excluding their engines and other government-furnished equipment.Read more from Reuters.