Several Flashing UFO lights over Charleston Naval Base in S.C.

It was just getting dark while I was waiting outside in the parking lot of the Charleston Naval Base commissary for my mom to come out from shopping when I looked up in the sky in N/E direction and spotted several flashing lights. There were 4-5 flashing lights hovering around in one spot for a few minutes then all of a sudden they shot off in different directions at "Star Trek" speed. They were pretty far up and because it getting dark I could not see any particular shape. I told my mother and her reply was "oh Really"?, confirming what I saw but I think she was unsure on whether to believe me. I know what I saw and I am certain it was not from this earth. It is not an absolute date listed, I could be off a year or 2. But it did happen.
Witness indicates that the date of the incident is approximate.  PD