Atlas 5 launches the second X-37B OTV
3/5/11 ~ 5:46pm

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An Atlas 5 rocket, flying again in the 501 configuration, launches with the second of two contructed X-37B Orbital Test Vehicles, OTV-2, less than a year after the
first made its successful test flight. The two winged, reusable spacecraft are conducting test flights in secrecy, with current mission and future applications not disclosed.

<--- AEHF-1                                    SBIRS-1 --->