At my advanced age, I would have no problem holding down a desk.
Should I someday find myself with rebuilt hips and knees, I would never sit behind a desk.
“Under the terms of the 2nd Amendment, I am calling out the Unorganized Militia. I ask all former military to register with their local police or county sheriff. If you’re fresh off the battlefields of the Sandbox, you can serve on tactical duty. If you’re too old for tactical duty, you can hold down a desk and free up someone younger for tactical duty.”
Yes! I’m 71 with heart disease from 50 years of bad living but I’m expert rifleman from way back and retired warrant officer. Order me to take up arms and hold this position until relieved, and I’ll fight all day! No bravado, I mean this.