Boeing will continue modernizing the Global Positioning System (GPS) satellite constellation for up to five more years, extending the company's role in the vital military and civilian navigation network.

The U.S. Air Force, which operates the GPS network, recently awarded Boeing a $51 million, one-year contract with four one-year options. The contract covers GPS IIF satellite shipment to the launch site in Florida, pre-launch preparation, post-launch checkout, handover and on-orbit support. Read more here.