Medical histories would undergo similar scrutiny. In the 21st century, the definition of “fitness for service” has evolved to include a sophisticated understanding of mental health and chronic physical conditions that might have been overlooked during the Vietnam or Korean eras. Every potential draftee would undergo a comprehensive physical and psychological examination at a Military Entrance Processing Station (MEPS). Here, a significant portion of the modern population might find themselves disqualified for conditions such as asthma, severe allergies, or orthopedic issues—a reality that adds a layer of unpredictability to the “available” pool of personnel.