RT @NASA_Wallops: Our #SuperBalloon hit a milestone 9:17 a.m. EDT May 31 completing its 1st circumnavigation of the globe. go.nasa.gov/1spmInC
RT @NASA_Wallops: Our #SuperBalloon hit a milestone 9:17 a.m. EDT May 31 completing its 1st circumnavigation of the globe. go.nasa.gov/1spmInC