6. Spacex Falcon-9
As the shuttles are near retirement, NASA is planning for back up options to send man into space to continue space exploration and maintain crew cycle in the International Space Station (ISS). Space X Falcon-9 rocket will be used to send astronauts into orbit in the Dragon capsule.
5. Eads Astrium Tandem-X Satellite
TanDEM-X an Earth observation satellite, which, together with the almost identical TerraSAR-X radar satellite, will form a high-precision radar interferometer system. The satellite formation can generate images similar to stereoscopic pictures. It will be possible to measure all the Earth’s land surface a period of less than three years.
4. Boeing X-37
X-37 was built by Boeing’s Phantom Works Division and looks just like a space shuttle i.e. having two wings and twin ‘V’ shape vertical stabilizers with a payload back of a size of small truck payload bay and also have black thermal tiles on the belly of the craft. It’s a highly classified project which nobody knows about the function or mission except for the official authorities.
3. Pratt & Whitney Rocketdyne/Boeing X-51A Waverider
The Boeing X-51 is an unmanned scramjet demonstration aircraft for hypersonic (Mach 6) flight testing. It successfully completed its first free-flight on 26 May 2010 and also achieved the longest duration flight at speeds over Mach and makes it a fastest engine ever built.