RT @NASAedu: Watch @NASAEDGE ‘s coverage of #TDRS L launch starting at 7:35p
on NASA TV (education channel). go.nasa.gov/17RLBw0
RT @NASAedu: Watch @NASAEDGE ‘s coverage of #TDRS L launch starting at 7:35p
on NASA TV (education channel). go.nasa.gov/17RLBw0