PB Nasa Confirms Earth Will Experience 6 Days of Total Darkness
looks like it's a emergency preparedness exercise
https://youtu.be/cNJfn2iIS_U
https://www.independent.co.uk/news/science/nasa-confirms-six-days-darkness-december-no-they-really-don-t-it-s-hoax-9822744.html
October 2014