First time accepted submitter littlesparkvt writes "The NASA and the Pentagon's experimental aircraft could go from NY to London in about an hour. With a cost of 140 million dollars USD. During the test the X51-A will reach speeds of 1700 meters a second and climb to an altitude of 70,000 feet."
Thus spake the master programmer:
"When a program is being tested, it is too late to make design changes."
-- Geoffrey James, "The Tao of Programming"