National Cave Rescue Commission (United States)NCRC is the National Speleological Society's cave rescue training and networking body. It is not itself a rescue body, but can assist SAR authorities in locating cave rescue personnel and equipment. Note: U.S. National SAR VHF frequency is 155.160 mHz.oNational Cave Rescue Commission, National Web Site Canadian Rescue Resources on the WeboR.C.M.P. Rescue Liaison Web Site (english)(french)oSearch and Rescue Alberta