This is the latest installment of the "Star Trek: The Next Generation - The Galaxy Chronicles" called "Dishonorable" - in this one the Galaxy is flung 75 years into the past where the crew find out that there's a role for them to fulfill in the past.
https://www.deviantart.com/rusty0918/art/Dishonorable-799176191?ga_submit_new=10:1558895177
https://www.deviantart.com/rusty0918/art/Dishonorable-799176191?ga_submit_new=10:1558895177
