At the same time, each of us was establishing an individual professional reputation. Whether you stayed in the Corps for four years or forty, that reputation would follow you: Were you physically fit? Were you tactically sound? Could you call in artillery fire? Could you adapt quickly to change? Did your platoon respond to you? Could you lead by example? You had to be as tough as your troops, who weren’t concerned with how many books you’d read. I tried to work out with the most physically fit and learn from the most tactically cunning.