The Contemplation Wall is a free standing glass panel 13 feet tall by 9 feet wide and 2 1/2 inches thick and is an integral part of the USAF Memorial just outside Washington DC
It contains the images of four F-16s flying in the missing man formation. Here, reflected in the glass you can see the three spires of the main structure at the site.
The memorial honours the men and women of the United States Air Force and its predecessor organizations.
Situated in Arlington, Virginia and overlooking The Pentagon.