The concept of cannon fodder is pretty much obsolete.
The warriors of today man keyboards.
Some pilot all sorts of pilotless drones while others sit in airplanes tens of thousands of feet in the air monitoring enemy communications and then pinpointing targets that include colonels and generals.
If your grandson is a capable game player, he is a valuable military asset

Like the 15,000 dead American boys the same neocons are responsible for getting butchered, while looking for phantom yellow cake? Are you watching the carnage going on now?!? What lunacy! This is not a video game.
“The concept of cannon fodder is pretty much obsolete.
The warriors of today man keyboards.”
Your statement is nonsense. You need boots, tires and treads on the ground to take over territory - and to defend it. All that the drone warriors do is to replace a certain number of surveillance and/or strike aircraft. That’s all that they do, nothing more.