The robotic drone is performing classified duties during the program’s fifth flight. The current mission — known as Orbital Test Vehicle (OTV-5) — was rocketed into Earth orbit on Sept. 7, 2017, atop a SpaceX Falcon 9 booster from Launch Complex 39A at NASA’s Kennedy Space Center (KSC) in Florida. [The X-37B X-37B missions are carried out under the auspices of the Air Force Rapid Capabilities Office, and mission control for OTV flights is handled by the 3rd Space ... gathering information on objects high above Earth and carrying out other intelligence-gathering duties. And that may be a signal as...