WE THE PEOPLE

President Barack Obama plays with Ella Harper Rhodes, daughter of Ben Rhodes, Deputy National Security Advisor for Strategic Communications, during an Oval Office drop by, June 4, 2015. (Official White House Photo by Pete Souza)

Parents, staff and students tour the White House Kitchen Garden on the South Grounds of the White House after participating in a “Let’s Move!” event preparing and eating a garden harvest with the First Lady in the East Room of the White House, June 3, 2015. (Official White House Photo by Lawrence Jackson)

President Barack Obama, with Elise Shemin-Roth and Ina Judith Bass, daughters of Army Sergeant William Shemin, reads while signing the Medal of Honor Certificate and Citation in the Oval Office, prior to awarding the Medal of Honor posthumously to Sgt. Shemin for conspicuous gallantry during World War I, during a ceremony in the East Room, June 2, 2015. (Official White House Photo by Pete Souza)

President Obama addresses fellows from the Young Southeast Asian Leaders Initiative (YSEALI) prior to a group photo in the State Dining Room of the White House, June 1, 2015. (Official White House Photo by Pete Souza)

Local residents of the Normandy, France, region, release paper sky lanterns June 5, 2015, to commemorate those who died here on D-Day, at a place the Allied Forces named Utah Beach for the invasion of an occupied France, 71 years ago. More than 380 American service members from Europe and affiliated D-Day historical units are participating in the 71st anniversary as part of Joint Task Force D-Day 71, June 2-8, 2015.

150526-N-TE278-074 PHILIPPINE SEA (May 26, 2015) The Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88) steams alongside the Nimitz-class aircraft carrier USS George Washington (CVN 73) for a fueling-at-sea. George Washington and its embarked air wing, Carrier Air Wing (CVW) 5, are on patrol in the 7th Fleet area of responsibility supporting security and stability in the Indo-Asia-Pacific region. George Washington will conduct a hull-swap with the Nimitz-class aircraft carrier USS Ronald Reagan (CVN 76) later this year after serving seven years as the U.S. Navy’s only forward-deployed aircraft carrier in Yokosuka, Japan. (U.S. Navy photo by Mass Communication Specialist 2nd Class Paolo Bayas/Released)

A robot awaits competition in the robotics challenge through the Defense Advanced Research Projects Agency, known as DARPA, in Pomona, Calif., June 5-6, 2015. The event requires robots to attempt a circuit of physical tasks, with degraded communications between robots and operators. Twenty-four of the top robotics organizations in the world will compete for $3.5 million in prizes. Check out the DARPA Robotic Challenge finals website at: http://www.theroboticschallenge.org.