Standing atop Crest Drive in Chattanooga, Tenn., Vietnam-era veterans Robert Bunch, Ron Tatum and Ron Harvey wave to motorists along I-24 in celebration of Veterans Day on Friday, Nov. 11, 2011. (AP Photo/Chattanooga Times Free Press, Tracey Trumbull)
Jonnie Collins, of Alexandria, Va., a retired Army Sergeant 1st Class who serving in two tours in Vietnam, listens to a speaker at a rededication ceremony following renovations of the District of Columbia WWI Memorial in Washington, D.C. on Nov. 10, 2011.
(T.J. Kirkpatrick/ The Washington Times)
Tom Rogan, from left, of Fayston, Vt., and Dr. Tom Brannon, of Nashville, Tenn., both Vietnam veterans from the 4th Cavalry Regiment 1st Infantry Division, salute the colors as the National Anthem is sung during a rededication ceremony following renovations of the District of Columbia WWI Memorial in Washington, D.C. on Nov. 10, 2011.
(T.J. Kirkpatrick/ The Washington Times)
In this July 8, 2004, photo taken by a trap camera and released by WWF, the last rhino in Vietnam is shown in Cat Tien National Park in Lam Dong Province, southern Vietnam. Vietnam has lost its fight to save its Javan rhinoceros population after poachers apparently killed the country's last animal for its horn, an international conservation group WWF said in a report Tuesday, Oct. 25, 2011. (AP Photo/WWF)
Cameron Halket of Dallas (left) and Vietnam veteran Dan Anderson of Lebanon, Ore., give interviews Monday as part of "Occupy D.C." The movement was granted a four-month extension of their permit. (Rod Lamkey Jr./The Washington Times)
Protester Jim Goodnow, a non-combat Vietnam veteran from Terlingua, Texas, has "End warfare, not healthcare written on his cast while he joins hundreds of protesters upset about a variety of issues from the ongoing wars in Afghanistan and Iraq to corporate greed and jobs at Freedom Plaza before marching to the White House, Chamber of Commerce and along K Street in NW Washington, DC, October 6, 2011. (Andrew Harnik / The Washington Times)
Vietnamese protesters carry a banner with a slogan saying, "Paracel Islands and Spratly Islands belong to Vietnam," in Hanoi earlier this month. Protesters tell China to stay out of their waters after Beijing's increased activities around disputed areas. (Associated Press)
"Maryland is a gateway to doing business in the U.S., particularly in the life sciences and high-tech industries,"Gov. Martin O'Malley after his trip to China, South Korea and Vietnam. (Associated Press)
Vietnam veteran Steve Leventhal salutes the flag-draped casket of Army 1st Lt. Omar J. Vazquez in Chiacchio Southview Funeral Home in Trenton, N.J., on May 5. Lt. Vazquez, 25, was killed April 22 in southern Iraq.
Vietnamese and foreign audiences come to the concert named "Bob Dylan - Live in Vietnam," a one night only show held at RMIT University in Ho Chi Minh City, Vietnam on Sunday, April 10, 2011. After nearly five decades of singing about a war that continues to haunt a generation of Americans, legendary performer Bob Dylan is finally getting his chance to see Vietnam at peace. (AP Photo/Le Quang Nhat)
In this Jan. 14, 2011 photo, world renowned pianist Dang Thai Son, son of Madame Thai Thi Lien, speaks during an interview with The Associated Press in his mother's house in Hanoi, Vietnam. Son is Vietnam's only international artist, performing concerts globally with world-renowned artists such as Yo-Yo Ma, and is now recognized as one of the world's great Chopin interpreters. (AP Photo/Na Son Nguyen)
In this November 2010 photo, cruise boats make their way in Ha Long Bay near the Vietnam-China border in the Gulf of Tonkin. Early Thursday, Feb. 17, 2011, an overnight boat packed with sleeping tourists sank in the scenic bay, killing 12 foreigners, including vacationers from the United States, Australia and Britain, and their Vietnamese guide, officials said. (AP Photo/Kyodo News)
Weary after a third night of fighting against North Vietnamese troops, U.S. Marines crawl from foxholes located south of the demilitarized zone (DMZ) in Vietnam, 1966. The helicopter at left was shot down when it came in to resupply the unit. (AP Photo/Henri Huet)
Water-filled bomb craters from B-52 strikes against the Viet Cong mark the rice paddies and orchards west of Saigon, Vietnam, 1966. Most of the area has been abandoned by the peasants who used to farm on the land. (AP Photo/Henri Huet)