2 ms·
A literal example of this is that US Space Shuttles are never launched nor land (except if there was an emergency) on the last and first weeks of a year, and un
by zinekeller 4y ago
A literal example of this is that US Space Shuttles are never launched nor land (except if there was an emergency) on the last and first weeks of a year, and until 2007/2008 (where the software was meticulously tested and fixed in summer of 2007) missions are scheduled to avoid December 31 and January 1 in space. This is a precaution against year-end rollover (YERO) bugs (https://abcnews.go.com/Technology/story?id=2699091&page=1 https://abcnews.go.com/Technology/story?id=2699091&page=1).