23 / 35

Marathon bombing response

U.S. Soldiers and Airmen with the Massachusetts National Guard muster at the Boston Common to receive orders for a coordinated response, in support of civilian authorities in the wake of the marathon bombings in Boston, Mass., April 15, 2013. (U.S. Army photo by Cadet Matthew Feehan, Massachusetts National Guard Public Affairs, via Flickr)

Boston deals with aftermath

Two bomb explosions killed three and injured more than 140 at the Boston Marathon, April 15. The bombs left a city forever changed, and people putting the pieces back together after the brutal chapter comes to a close.