Joseph Gast presents the Coast Guard Cutter Winslow Griesser's looking glass to crew member Petty Officer 3rd Class Luis Santiago-Reyes, during the ship's commissioning ceremony in San Juan, Puerto Rico, March 11, 2016. The Sentinel Class Fast Response Cutters are designed to conduct maritime drug interdiction, alien migrant interdiction, search and rescue, national defense, homeland security, living marine resource protection and other Coast Guard missions. (U.S. Coast Guard photo by Ricardo Castrodad)