Petty Officer 1st Class Christopher Canales (right) and Petty Officer 3rd Class Joshua Pringle, both avionics electrical technicians stationed at Air Station Barbers Point, review the navigator qualification syllabus while waiting to embark an HC-130 Hercules airplane for a counter narcotics patrol in Central America, Jan. 24, 2016. Military patrol aircraft search for drug traffickers around the clock in an attempt to reduce illegal drug activity in the region. (U.S. Coast Guard photo by Petty Officer 2nd Class Melissa E. McKenzie/Released)