Bill Armstrong (left) and Christopher Kelsey, maintenance engineers with the Canadian Ice Service, verify the successful aerial deployment of rose petals from the drop chute of a Canadian Ice Service plane over the site where RMS Titanic sank in 1912. Their mission was part of a joint-service ceremonial overflight with members of the U.S. Coast Guard International Ice Patrol, April 14, 2012, to commemorate the 100th anniversary of the sinking of the Titanic. (U.S. Coast Guard photo by Petty Officer 1st Class Thomas McKenzie)