‘Always remember’ those lost, Obama implores ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Reuters Veterans saluted at a South Florida Memorial Day ceremony. Mark Wilson / Getty Images President Obama positioned a wreath at Arlington National Cemetery. Reuters President Obama delivered remarks at Arlington National Cemetery. Essdras M Suarez / Globe Staff A Memorial Day ceremony in Hyde Park. Essdras M Suarez / Globe Staff A wreath at Fairway Cemetery in Hyde Park. Essdras M Suarez / Globe Staff Attendees saluted during the National Anthem at the Hyde Park ceremony. Essdras M Suarez / Globe Staff Rifles were fired as part of the Hyde Park ceremony. Reuters Jeff Lee of South Florida leaned against his father's gravestone during a ceremony. AP A young spectator shielded her eyes from the sun at a ceremony in New York. Reuters Chairman of the Joint Chiefs of Staff Martin Dempsey, Defense Secretary Chuck Hagel, and President Obama stood for the National Anthem. AP Photo/The Daily News, John Ehlke Cora Jacoby, six months old, waved a flag at a parade in Wisconsin. Tom Pennington / Getty Images The sun rose over tornado-ravaged Moore, Okla.