KnowraGherman TitovLinked fromLinked fromThe 4 pages that link to Gherman Titov, each with the reason it gives.All 4Broader topic 1Related 3Vostok 1Related: Titov followed Gagarin and helped establish the Vostok program's next steps.Vostok spacecraftRelated: His longer flight tested human endurance and spacecraft operations beyond Gagarin’s brief mission.Nikolai KamaninRelated: Kamanin advocated Titov’s readiness and considered him for the first human spaceflight.Vostok programmeBroader topic: His long flight tested human endurance beyond Gagarin's brief orbital mission.