Arlington County, Va., and Fort Myer took a step in cementing their relationship Aug. 7 with the signing of the Community Covenant at the Thomas Jefferson Community Center in Arlington.

The horses are cared for by the U.S. 3rd Infantry's Army Old Guard Caisson Platoon, based at Fort Myer in Arlington, Va. National. A Visit with Fort Myer's Army Old Guard. May 27, 2007 8:00 AM ET.

ARLINGTON NATIONAL CEMETERY — At 6:30 a.m., the scrape of manure shovels and the shuffling of horse hooves echoed through the red-brick stable at Ft. Myer. Soldiers from the caisson detachment ...