The Dead War Series, MILITARY TACTIC: THE LINE
During the story in The Dead War Series Trilogy " The Line " is mentioned during the battle scenes.
The Line when done correctly is a simple and brutally effective way of pushing back the dead and eliminating the threat.
The Line itself is actually two lines. The first line is made up of soldiers with their MC30 laser rifles who move slowly forward while taking out the dead. The second line follow with their laser pistols in hand taking care of any of the dead the first line did not finish off.
When the first line runs low on "ammo" they drop behind the second line which goes to their rifles and continues the advance as the original first line reloads their rifles and then cleans up the dead with their laser pistols.
This can continue for as long as needed as long as the soldiers have enough clips to fight on. Each fully charged MC30 clip holds 250 shots and the pistols 100. Each soldier carries 10 MC-30 clips and 10 pistol clips.