国際宇宙ステーションさんのインスタグラム写真 - (国際宇宙ステーションInstagram)「Two spacewalks are scheduled for June 26 and July 1 to upgrade power systems. Expedition 63 Commander Chris Cassidy is pictured during his past spacewalks at the orbiting lab... (Pic 1) Cassidy in July of 2009 outfitting the Kibo laboratory module. (Pic 2) Cassidy in July of 2013 installing gear on the station’s truss structure. (Pic 3) Cassidy in May of 2013 replacing a pump controller box that was leaking ammonia coolant. #nasa #astronaut #spacewalk #outofthisworld #international #space #station」6月12日 4時21分