Fast flying "Arrowhead"

I was in Okinawa, an Island in the pacific. The sky from my vantage point was 360 degrees, at least 1/2 was all the way down to the ocean. The sky was clear, there was numerous stars visible, then some movement caught the corner of my left eye. I looked up, and on my extreme left was a "V" shape moving from my left to the right.
The point of the "V" was the leading edge, there were four points of light on one side, and two on the other side. It moved overhead at an incredible speed,stayed still overhead for a few seconds, then zig-zagged three times and after the third manuver, speed away the the far side of the horizen in about 1.5 seconds.The formation stayed in the exact same position through all manuvers, NEVER deviating position. It was'nt "shooting stars" or "Planets" or any other for of explaination.
I could see the stars clearly, though somewhat dimmer. These lights were independant of any other objects in my vision. I know what I saw, you might think I'm nuts, but I really don't care. I have seem other things I was able to explain away since, but one other. No one believes it either.
Witness indicates that the date of the event is approximate.  PD