Warm Cream Vintage Paper — 5 museum-grade prints in this palette. Mariner 10's Venus gravity assist on 5 February 1974 was the first use of a planetary flyby to reshape trajectory — a technique that later enabled Voyager's Grand Tour, Cassini's Saturn arrival, and countless delta-v savings across the solar system. The three Mercury flybys mapped nearly half the planet's surface, revealing cratered highlands and confirming a weak magnetic field unlike the Moon. Alan Shepard's Freedom 7 flight on 5 May 1961 answered Soviet Vostok 1 with an American suborbital hop — enough to restore confidence and accelerate congressional commitment to Apollo. Shepard became the first American in space and, a decade later, walked on the Moon at Fra Mauro during Apollo 14 — the longest span between first flight and lunar surface of any astronaut until surpassed by later careers. Gemini 7 proved NASA could keep astronauts healthy across a two-week timeline matching a lunar round trip — a prerequisite Apollo could not skip. The Gemini 6A rendezvous on 15 December 1965, with Schirra and Stafford closing on Borman and Lovell, demonstrated station-keeping and formation flight techniques that later saved Apollo missions including the legendary Apollo 13 crisis procedures.

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