Atterbury Army Air Field [full inscription unknown] In front of chapel at Middle Road and Grissom Avenue, Atterbury Army Air Field, Columbus, IN 1 Jan 2007 by Indiana Historical Bureau in 2007 Colour: This plaque is purple, white and green glass claret orange purple clear bronze grey stone red slate wood blue black brass multicoloured pink brushed metal green maroon film cell green and red Belgian Blue Stone red and black yellow terracotta marble brown silver white gold Wikimedia: Flickr: Google Streetview OpenStreetMap