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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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1956_in_spaceflight entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-03-15 and was most recently seen on 2026-03-15.
Preparation for the 18-month International Geophysical Year (IGY), scheduled to begin July 1957, became a truly international endeavor in 1956. The American IGY satellite program, Project Vanguard, saw its first test launch at the end of the year, while the Army Ballistic Missile Agency tested Redstone-derived rockets, culminating in the Jupiter-C capable of orbiting a satellite. The Soviet Union developed the engines and tested vital components for its first ICBM, the R-7 Semyorka, which would fly the USSR's first artificial satellite, "Object D:
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