After 30 years in operation, On July 21st, 2011, NASA completed its space shuttle program when Atlantis landed on Kennedy Space Center after its 135th mission (STS-135). Although it marked the end of an era, America will continue the dream. [3000x2000]

https://ift.tt/2zYCXkn

Submitted July 21, 2018 at 03:54AM by aandwdabest https://ift.tt/2uDk951