Lt. Gen. Jeffrey Buchanan (left) talks to a U.S. Army helicopter crew member in Barranquitas, Puerto Rico, after a supply delivery mission for residents affected by Hurricane Maria, Oct. 23, 2017.

Lt. Gen. Jeffrey Buchanan (left) talks to a U.S. Army helicopter crew member in Barranquitas, Puerto Rico, after a supply delivery mission for residents affected by Hurricane Maria, Oct. 23, 2017.