The Defense Department is considering options to bundle U.S. orders for the F-35 Joint Strike Fighter into multiyear contracts with Lockheed Martin as soon as fiscal year 2021, potentiality consolidating annual purchases of about $11 billion for nearly 100 aircraft into mega-deals that would provide industrial base stability and notionally yield savings compared to yearly contracts. Vice Adm. Mat Winter, F-35 Joint Program Office director, told reporters he “is looking at and assessing the usage of what we call traditional...