1. A realism unit for the game "Day of Defeat: Source", commanded by Captain Stornaiuolo. Unlike normal video game clans, the 3rd Ranger Battalion (3rd RB for short) uses realistic war stradegies and a realistic ranking system.
2. An actual real-life Ranger Battalion part of the 75th Ranger Regiment.
1. "Dude, I wanna join the 3rd Ranger Battalion because they stomped the 2nd SS in that last realism scrim!"
2. "Wow, the 3rd Rangers are hard core."