I was on perimeter guard duty with 3 others who were off watch and asleep.
I remember this vividly and can't ever forget it.
While looking to the North West, right above the treeline I noticed a bright luminous object. It was silvery/blue/white.
I noticed it move to ward the South a little then stop on a dime, leaving a trailing tracing effect, a blur of light, from start to stop. repeating this numerous times.when it was almost due South it shot upward at about 45 degrees back toward the North.
I can't describe the shape, size or distance accurately. It was distant several miles, best guest. It definitely wasn't any of our aircraft.