The Defense Department has awarded Lockheed Martin a contract worth up to $5.5 billion to deliver 141 F-35 aircraft as part of the 11th low-rate initial production lot. The F-35 joint program office confirmed it is an undefinitized contract action. "The U.S. Department of Defense will continue to negotiate the LRIP 11 contract with Lockheed Martin and expects to definitize by the end of the year," F-35 spokesman Joe DellaVedova wrote in a July 7 statement. "We are confident the...