It's called a "chain of command" for a reason. If the guy at the top gets bumped off, command immediately transfers to the guy below, the 2nd in command. If he gets killed, it continues downwards.
Major General Sir Isaac Brock
no
The highly-rated General Sidney Johnston, killed at Shiloh.
wolfe and montcalm were both killed in battle
Union General James B. McPherson was killed in battle outside of Atlanta. His death meant that General Sherman would have to find a replacement for the commander of the Army of the Tennessee.
General George Custer was defeated and killed in the Battle of Little Bighorn
you
Shiloh.
J.E.B. Stuart was killed.
Leonidas .
John smith
Major General Sir Isaac Brock
Shiloh
no one cares
no
General Albert Sidney Johnston of the Confederates. He was killed in this battle.
The greatly-admired Albert Sidney Johnston - killed at that battle.