Charles Shaw, and instructor from Joint Emergency Training Associates, discusses the use of a radiological detection device with members of the Coast Guard Sector Anchorage, Alaska's, enforcement division during a training course at Sector Anchorage Sept. 10, 2014. Coast Guard boarding teams regularly scan for radioactive, chemical and other dangerous substances aboard vessels. (U.S. Coast Guard photo by Petty Officer 1st Class Shawn Eggert)