The F-35 joint program office on Friday awarded Lockheed Martin a contract to produce 90 Joint Strike Fighter aircraft in low-rate initial production Lot 10 -- after more than a year of negotiations. In a Feb. 3 statement, the JPO does not disclose the total cost of the contract, but notes the price of an F-35A dropped from $102 million in Lot 9 to $94.4 million in Lot 10, a 7 percent drop, according to the JPO and "the lowest-priced...