FILE - In this Wednesday, Aug. 28, 2013, file photo, a citizen journalism image provided by the United Media Office of Arbeen which has been authenticated based on its contents and other AP reporting, shows members of the United Nations investigation team take samples from sand near a part of a missile that is likely to be a chemical rocket, according to activists, in the Damascus countryside of Ain Terma, Syria. The Obama administration is offering to destroy some of Syria's deadliest chemical weapons in international waters aboard a nearly 700-foot (213-meter), U.S. government-owned ship, U.S. officials told The Associated Press on Wednesday, Nov. 27, 2013. (AP Photo/Local Committee of Arbeen, File)

Photo by: Uncredited

FILE - In this Wednesday, Aug. 28, 2013, file photo, a citizen journalism image provided by the United Media Office of Arbeen which has been authenticated based on its contents and other AP reporting, shows members of the United Nations investigation team take samples from sand near a part of a missile that is likely to be a chemical rocket, according to activists, in the Damascus countryside of Ain Terma, Syria. The Obama administration is offering to destroy some of Syria's deadliest chemical weapons in international waters aboard a nearly 700-foot (213-meter), U.S. government-owned ship, U.S. officials told The Associated Press on Wednesday, Nov. 27, 2013. (AP Photo/Local Committee of Arbeen, File)