Numerous Covenant forces inbound on Lockup. UNSC ground teams are holding the area and request Spartan reinforcements.
The Hammer is the fifth chapter of Spartan Ops Episode 9. It starts where Chapter 4 of Episode 9 left off, in a new area of Lockup. The mission also features another new part of Lockup at the end, an area near the top of the structure containing a large holographic map projector.