438a3a28_es___Dungeons_and_Dragons_Wiki__Perk_Benefit
[Perk Name] Commando [Pro Perk Benefit] When using your combat knife, all successful attacks are treated as confirmed critical hits. [Perk Benefit] 
Increase your melee range by 5ft.
CoDnD- Call of Duty 3.5 (3.5e Sourcebook)/Chapter 2: New Rules - Dungeons and Dragons Wiki
Perk Benefit