A horse drawn caisson carrying the casket of former U.S. President Ronald Reagan moves along Constitution Avenue toward the U.S. Capitol building in Washington, D.C.

A horse drawn caisson carrying the casket of former U.S. President Ronald Reagan moves along Constitution Avenue toward the U.S. Capitol building in Washington, D.C. © Mike Lynaugh

June 9, 2004 - A horse drawn caisson carrying the casket of former U.S. President Ronald Reagan moves along Constitution Avenue toward the U.S. Capitol building in Washington, D.C.

© Mike Lynaugh