A blizzard and the local terrain hampered subsequent rescue efforts by personnel from CFS Alert; USAF personnel from Thule Air Base 700 kilometers south; 435 Transport and Rescue Squadron from CFB Winnipeg and 440 Transport and Rescue Squadron, from CFB Namao outside Edmonton (both squadrons are part of 17 Wing Winnipeg); 424 Squadron from CFB Trenton, Ontario; and 413 Transport and Rescue Squadron from CFB Greenwood, Nova Scotia.