Third spacewalk in a busy season of spacewalks this week. Date is unknown bc the task was unforeseen: replacing a unit that failed during power-ups of new batteries. Very good that we have 4 expert spacewalkers on board to shoulder this tough task. They are the A-team! https://t.co/pJKrOGbBbe
— Anne McClain (@AstroAnnimal) October 15, 2019