Gene Cernan

First steps: America's grueling second spacewalk

First steps: America's grueling second spacewalk Gaby Clark Scientific Editor Alexander Pol Deputy Editor One year after Gemini IV astronaut Edward H. White completed NASA's first spacewalk the agency prepared for a demanding second excursion. Originally scheduled for Gemini VIII, the extravehicular activity (EVA) was reassigned to Gemini IX-A after that mission ended early, with Gene Cernan taking on the task. On June 5, 1966—the mission's third day—Cernan exited the spacecraft and quickly...