Defense Health Agency. The Defense Health Agency (DHA) is a joint, integrated Combat Support Agency that enables the U.S Army, U.S Navy, and U.S Air Force medical services to provide a medically ready force and ready medical force to Combatant Commands in both peacetime and wartime.
Definition of preemption. 1a : the right of purchasing before others; especially : one given by the government to the actual settler upon a tract of public landb : the purchase of something under this right.
âThe presumption must be that anyone charged with a crime is innocent until proven guilty.â âApparently the act of binding the baby tightly to itself in strips of fabric is reassuring for babies, although the evidence for this seems to lie more in presumption than science.â