KnowraMercury-Redstone 3Linked fromLinked fromThe 6 pages that link to Mercury-Redstone 3, each with the reason it gives.All 6Broader topic 4Related 1Compared with 1Space RaceBroader topic: It marked the United States' first crewed flight, shortly after Gagarin's.Project MercuryBroader topic: Its suborbital trajectory tested human spaceflight before Mercury’s orbital missions.Alan ShepardBroader topic: The mission made Shepard the first American in space.Space capsuleBroader topic: Its Mercury capsule demonstrated crewed suborbital flight and recovery.