TWO ORANGE/RED LIGHTS ADJACENT TO EACH OTHER NO MOVEMENTWORKING ON A LARGE AIRFIELD. BACKGROUND: OVER 15YRS EXPERIENCE ON AIRCRAFT. HELICOPTER AND FIGHTER ATTACK PLATFORMS. WITNESSED TWO ORANGE/RED LIGHTS HOVERING IN NIGHT SKY. EST. DISTANCE 2-4 MILES AWAY. LIGHTS WERE ADJACENT WITH THE ONE ON RIGHT EITHER SLIGHTLY LOWER OR SLIGHTY FARTHER AWAY. TO HIGH TO BE RAISED TOWERS, TO STILL TO BE HELICOPTERS AND TO DIM TO BE FLARES. LIGHTS DID NOT BLINK OR FLICKER. EST. ELEVATION: 1K-3K FEET. I STOOD STILL WATCHING THEM FOR 5 TO 7 MINUTES WITH NO MOVEMENT WHAT SO EVER. LEFT THE AREA FOR 10-12 MINUTES. UPON RETURN ONLY ONE LIGHT STILL VISIBLE AND ALMOST OUT OF SIGHTY ABOVE THE HORIZON.((NUFORC Note: Witness indicates that the date of the sighting is approximate. Witness is a member of the U. S. military. PD))