english: Fortunately, the Army had been working on their own parallel project, The Explorer, which was successfully launched in January 1958, but the U.S. had barely managed to catch up before they were surpassed again as Yuri Gargarin became the first man in space in April 1961.
non_english: Na sreću, Vojska je paralelno radila na svom projektu, na Eksploreru, koji je uspešno lansiran u januaru 1958. Ali Amerika je jedva uspela da uhvati korak pre nego što su ih Sovjeti ponovo prestigli, jer je Jurij Gagarin postao prvi čovek u svemiru, u aprilu 1961.