“The mission profile is to climb to the prescribed altitude within the defined operating range … and then loiter in a mission-racetrack pattern… The plane should be capable of 450 knots sustained speed at 51,000 feet, and have the ‘ability to self-deploy with a range of 6,000 nautical miles.’” Source: A part of a proposal in which the U.S. Army wants to buy up to 11 customized Bombardier Global 6500 aircraft for its High Accuracy Detection and Exploitation System, or HADES, program.