Crossword clues for NASA concern. 4 lettersAnswerClueMOONNASA concern.EXTRAWith 17-Across, NASA concernSPACETRAVELNASA concernUFONASA concernSPACENASA concernROCKETSHIPNASA concern.REENTRYNASA concernFLYINGSAUCERNASA concern?FLYINGWith 48-Down, NASA concernALIENLIFEFORMNASA concernWEATHERNASA launch concernORBITSNASA's concern.SPACENASA's concernSPACERACENASA's concernORBITALVELOCITYNASA scientist's concern