1/2mi. long orange /white glowwing craft nw of topaz mt. utahthomas mt.s juab co. utah, aprox. 5 mi.s nw topaz mt...on the top of mt. range about 100 ft. above was a large glowing orange w/white blotches, oval craft about 1 mile west of my position it was aprox. 1/2 mile long &200 yds tall it just hovered over mt &when it disappeared it just faded out,like using a dimmer switch. until it was all dark&was gone that took about 3-5 secs..there was no sound nor movement,the white blotches did move around on the craft fade here ,reappear there but that was only moves I observered. the next morning I had two f-15's do a deck 50'off the ground fly-by &check out my camp &truck .so go figure?((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))