Col. Simon Sukstorf, RCAF, left, the senior Canadian officer present, salutes after placing a wreath during the funeral for Flight Lieutenant Peter Campbell and Leading Aircraftsman Theodore Bates in Guelph, Ont., on Sept. 17, 2013. After a mid-air collision in 1940, officials were able to locate the crew of one craft, but the remains of LAC Bates and Lt. Campbell were missing until an OPP Underwater Search and Recovery Unit successfully recovered them in October, 2012.Peter Power/The Globe and Mail