4/21/2011 - British Regulars reenactors fire shots during Patriots Day activities on April 18. Towns around the area commemorated the opening battles of the Revolutionary War with reenactments, parades and more. (U.S. Air Force photo by Linda LaBonte Britt)

4/21/2011 - LEXINGTON, Mass. – Col. Stacy L. Yike (right), 66th Air Base Group commander, along with other members of the reviewing stand, watch the parade go by during Patriots Day April 18. Towns around the area commemorated the opening battles of the Revolutionary War with reenactments, parades and more. (U.S. Air Force photo by Linda LaBonte Britt)

4/21/2011 - LEXINGTON, Mass. – Patriot Honor Guard members march during the Lexington Patriots Day parade April 18. Towns around the area commemorated the opening battles of the Revolutionary War with reenactments, parades and more. (U.S. Air Force photo by Linda LaBonte Britt)

4/21/2011 - LEXINGTON, Mass. – The Air Force Band of Liberty plays as they march during the Lexington Patriots Day parade April 18. Towns around the area commemorated the opening battles of the Revolutionary War with reenactments, parades and more. (U.S. Air Force photo by Linda LaBonte Britt)