Wannan haka ne, wannan jirgin ba tafiya ba ci gaba da NASA shi ne jirgin sama mafi sauri wanda yake a duniya. Wannan jirgin sama ya zarce saurin 8.000 Km / H (Mach 9.8) lokacin da ta kai tsawanta na 110.000 ƙafa.
Jirgin gwajin kamar yadda X ya nuna, mara matuki ne wanda ke nufin cewa mutanen da ke ciki ba sa yin gwajin sa. Ban da wannan duka, yana amfani da shi azaman motsa shi don motsawa samfurin iska da hydrogen. An ƙaddamar da shi ne a kan Maris 28, 2004 daga jirgin sama samfurin B-52B.
Ana iya amfani da wannan gwajin a cikin makomar jirgin kasuwanci don haka ya haɗa kai, misali, New York da London a ƙasa da awanni 2.
Wannan jirgin, maimakon haka, makami mai linzami ne, saboda ba zai iya tashi da kansa ba, amma a kowane hali shi ne mafi sauri daga dukkan jirage, wanda ake kira me.