Gate Assault is a set that includes a gate with a Mounted Turret and Rockets, the Gate Defender, an R-1 Rammer and a Sentry II. it has a trigger function that is set off when the R-1 Rammer smashes through the Gate's two doors, it will then cause a Missile to fire and "blow up" the R-1 Rammer.
- Year Released: 2006
- Item Number: 7705-1
- Pieces: 402
- Alternative Model: Swift (Battle Machine) ; Blockade Bulldozer