WALLOPS ISLAND, VA – NASA’s Wallops Flight Facility in Virginia successfully launched two NASA sounding rockets carrying experiments to study the ionosphere on Sunday, July 10, 2011. The Black Brant V rocket launched at 10 a.m. and the second rocket, a Terrier-Improved Orion, launched 15 seconds later.

A second pair of Black Brant V/Terrier-Improved Orion rockets will be launched no earlier than Tuesday, July 12, as part of the series to study the ionosphere. The launch window will be 9:30 a.m. to 1 p.m. The backup days will be July 13 through 23.

The rockets may be visible in the Wallops area.

The launch will be webcast beginning at 8:30 a.m. on launch day at: http://sites.wff.nasa.gov/webcast

You can also follow the launch status on the Wallops Twitter and Facebook pages.

Launch information also is available on the Wallops launch status line at 757-824-2050.

The NASA Visitor Center will open at 8:30 a.m. on launch day for viewing the launch.

More information on the missions to study the ionosphere is available at: http://www.nasa.gov/mission_pages/sunearth/news/rockets-atmosphere.html