First Lady Michelle Obama and Dr. Jill Biden Kick Off a Joining Forces Community Challenge Event

First Lady Michelle Obama and Dr. Jill Biden kick off a Joining Forces Community Challenge event to celebrate the first anniversary of the initiative on the South Lawn of the White House, April 11, 2012. The celebration focused on military families and organization leaders who have played key roles in supporting our nation’s troops, veterans and families. (Official White House Photo by Lawrence Jackson)