HONOLULU -- Petty Officer 1st Class Ekahi Lee, Coast Guard Station Honolulu operations supervisor, and Lt. Cmdr. Timothy List, Coast Guard Sector Honolulu law enforcement division chief, talk about the importance of the LA51 signaling and warning device for the Hawaiian Islands at Coast Guard Station Honolulu, April 26, 2012.The Coast Guard has been using the LA51 as a warning signal during alien migrant interdiction operations and counter-drug operations. The LA51 warning device will now be used during security zone enforcement and the execution of the ports waterways and coastal security mission. U.S. Coast Guard video by Petty Officer 3rd Class Angela Henderson.