RocketSTEM Issue #2 - April 2013 | Page 23

I had an eagle-eye view as the Falcon 9 rose up from its launchpad, with Dragon leading the way through the cloud covered sky. Its sound punched through the wind, letting out a low intense rumble as it headed for orbit, getting louder and louder with each second that passed. As the rocket rose higher, its sound started to fade, until it completely disappeared. The Falcon 9 had performed its job – and it was time for Dragon to commence its part of the mission. Soon it would meet up with the ISS for the delivery of supplies and experiments to the crew. Fast Facts The name game: The Falcon 9 got its name from the Millennium Falcon – the spacecraft commanded by Han Solo in the original Star Wars trilogy. The ‘9’ comes from the nine first-stage Merlin engines that propel the rocket. Dragon was named after the fictional character Puff the Magic Dragon because in 2002, critics thought that the original goals SpaceX had in mind seemed to exist more in the realm of makebelieve. It’s only rocket science: Dragon in orbit during the CRS-2 mission. Photo: NASA The arrival of Dragon to the ISS was delayed due to a minor setback with its oxidizer tanks, but the ground crews worked quickly to identify the problem, and get it back on track. On March 3 it was successfully captured and berthed to the ISS. It delivered 2,300 pounds of cargo to the residents on board, stayed attached for 22 days, and was then filled with over 3,000 pounds of cargo to carry home. On March 26, Dragon completed its mission and returned to Earth. It splashed down in the Pa