Mission Gold Foil — 12 museum-grade prints in this palette. Spirit (MER-A) landed in Gusev Crater on 3 January 2004 as one of NASA's twin Mars Exploration Rovers, carrying a suite of cameras and spectrometers to investigate past water activity. The rover far exceeded its 90-sol design life, climbing into the Columbia Hills and discovering silica-rich deposits suggestive of hydrothermal activity. Apollo 7 closed the gap between tragedy and triumph — twenty-one months after the Apollo 1 pad fire killed Gus Grissom, Ed White, and Roger Chaffee, Schirra's crew proved the redesigned Block II spacecraft could sustain a crew for the duration a lunar mission would demand. The mission's live television broadcasts brought orbital flight into American living rooms with an intimacy Mercury and Gemini had only hinted at. Apollo 9 answered the question Apollo 8 had deferred — could the Lunar Module operate as an independent spacecraft? Spider's flight demonstrated that the awkward gold-foil lander could separate from Gumdrop, fire its descent engine, and rendezvous again — the exact sequence Apollo 11 would need in lunar orbit.