Joint Terminal Attack Controllers of the 137th Special Operations Wing, Oklahoma Air National Guard, review assault plans on the concrete in front of Tinker Air Force Base Operations building during a SENTRY REX 19-01 training mission on Jan. 15. The JTACs staged out of Tinker to ride UH-60M Black Hawks of the 1-244th Avn. Regt., Oklahoma Army National Guard, to Fort sill where the simulated downed aircrew member was located. The assault force was supported by E-3 AWACS, E-8 J-STARSMC-12W Liberty and KC-135 Stratotankers. (U.S. Air Force photo/Greg L. Davis)