The C-40B is a special-mission aircraft that provides airlift with an office-in-the- sky environment for U.S. combatant commanders and other senior government officials. Built for the U.S. Air Force, the 737-700 aircraft is equipped with equipment and capabilities that support a rapid response for global missions. C-40Bs are equipped with the Connexion by Boeing system, providing secure in-flight broadband connectivity -- data/video transmit and receive capability -- to enhance communications, productivity and security.