Phalanx fighting, Shield Wall, Close the Gap (Tactical feat, if someone drops in the shield wall you can move to their position as a swift (Immediate?) action) and a smattering of marshals in the mix and you're set.
Phalanx fighting, Shield Wall, Close the Gap (Tactical feat, if someone drops in the shield wall you can move to their position as a swift (Immediate?) action) and a smattering of marshals in the mix and you're set.