Second Generation tactics, like those of the First Generation, are linear. In the attack, the object is to push a line forward, and in the defense it is to hold a line.
... most American units have only one [offensive] tactic: bump into the enemy and call for fire.
In a few years, we will be observing the 150th anniversary of our current tactical art as well as the start of the Civil War.
p.s. What the hell ever happened to vertical envelopment?