Men listen to the radio in a store in Lascahobas, Haiti March 5, 2007. Due to lack of reliable electricity, the radio and light were being run off a generator.

A child yawns during class at Ecole Mixte Communautaire Fraternelle in Lascahobas, Haiti March 8, 2007. The school is funded by a women’s organization called AFAL, which originally organized to provide a school for their children.

The U.S. Army Drill Team, part of the 3d U.S. Infantry Regiment  (The Old Guard), stands at attention before a performance during a live broadcast of ESPN SportsNation on Joint Base Myer-Henderson Hall, Tuesday Nov. 8, 2011.

Members of the United States Army Old Guard Fife and Drum Corps perform during the Twilight Tattoo on Joint Base Myer-Henderson Hall April 25, 2012. The Twilight Tattoo is a military pagent featuring soldiers from the 3d U.S. Infantry Regiment (The Old Guard).

Cynthia Green, shoe repair and fabric worker at the Central Issuing Facility on Joint Base Myer-Henderson Hall, demonstrates how she removes the nails from a shoe to prepare it for modifications for Tomb of the Unknown guards, May 4, 2012. The process to change the shoes, so it is more suitable for the Tomb Guards, takes several days.

Soldiers march pass the reviewing stand during a pass in review during the change of responsibility ceremony on Summerall Field at Joint Base Myer-Henderson Hall. Military District of Washington and Joint Force Headquarters National Capital Region Command Sgt. Maj. David O. Turnbull took responsibility from outgoing Command Sgt. Maj. Michael W. Williams, July 24, 2012.

Soldiers from the 3d U.S. Infantry Regiment (The Old Guard) ride on Whipple field during the Twilight Tattoo Aug. 22, 2012.

Gary Langley, Directorate of Public Works welder, arc welds a cast iron grate in front of Memorial Chapel Feb. 6, 2012, on Joint Base Myer-Henderson Hall. The light from the arc welder created a lens flare.

Visitors to Arlington National Cemetery watch the changing of the guard ritual at the Tomb of the Unknowns May 22, 2013. For more information about ANC and Memorial Day events happening in the cemetery visit www.arlingtoncemetery.mil.

Carl J. Cruz, great-great-grandnephew of Sgt. William H. Carney, speaks about Carney’s Medal of Honor during the opening of “Tell it With Pride: The 54th Massachusetts Regiment and Augustus Saint-Gaudens’ Shaw Memorial” Sept. 10, 2013 at the National Gallery of Art, Washington, D.C. Carney received the Medal of Honor for his actions at Fort Wagner, South Carolina during the American Civil War.

Racers and spectators make their way to the start line for the Marine Corps Marathon before the start of the race Oct. 27, 2013. Girma Bedada went on to win with a time of 2:21:31.

Visitors view and take photos of the Martin Luther King Jr. Memorial in Washington, D.C. Jan. 19, 2013. The memorial was dedicated Aug. 28, 2011, the 48th anniversary of the March on Washington for Jobs and Freedom. For more information on the memorial visit www.nps.gov/mlkm/index.htm.

Sgt. Seth Parks and Spc. Richard Murphy look at displays with other soldiers from the 3d U.S. Infantry Regiment (The Old Guard) before a reenlistment ceremony at the National Archives in Washington, D.C., April 30, 2014. The ceremony took place in front of the U.S. Constitution, Declaration of Independence and the Bill of Rights.