Tech. Sgt. Dirk TerVeer, 181st Airlift Squadron flight engineer, calculates take-off and landing data during a sortie to Houston, Texas, August 30, 2017. The flight on the C-130H2 Hercules out of Naval Air Station Fort Worth Joint Reserve Base dropped off medical personnel and equipment from the 136th Medical Group and the 137th Special Operations Medical Group and 137th Aeromedical Evacuations Squadron to support Hurricane Harvey relief efforts. (Air National Guard photo by Senior Airman De’Jon Williams/released)