Spike Aerospace's S-512 Quiet Supersonic Jet, also known as the "Son of Concorde," has completed the first test flight. It can seat up to 22 passengers and cruises at Mach 1.6 with a range of 6200 miles, saving up to 50% on flight times. The aircraft is set to fly by 2021 and customer deliveries should happen during 2023. "These test flights are providing incredibly valuable information which we can use to refine the design. I am very excited about how helpful these tests will be to our supersonic development program," said test pilot KrishnaKumar Malu, who was assisted by Mike Ridlon at a private airfield in New England. Click here to view the first image in today's viral picture gallery. Continue reading for the five most popular viral videos today, including one about the U.S. and Russia's deep space gateway.