Lt. Cmdr. Robert Mackenzie and Lt. Abigail Wallis, MH-60T Jayhawk helicopter pilots at Coast Guard Sector San Diego, prepare to board a Jayhawk at Sector San Diego prior to deploying in support of the Hurricane Harvey response efforts on August 25, 2017. Hurricane Harvey is expected to make landfall in Texas as a category 3 hurricane. (U.S. Coast Guard photo by Petty Officer 3rd Class Joel Guzman/released).