Battle of Installation 05

{{Quad battle infobox |prev= Battle of New Mombasa |conc= |next= Second Battle of Earth |name= Battle of Installation 05 |image= |conflict= |date= October 21, 2552 - October 22, 2552 |place= Installation 05 |result= UNSC-Covenant Sepratist Victory. Death of Tartarus, as well as many loyalists. Halo is placed into 'fail-safe' mode. |side1=*United Nations Space Command & eventually the Covenant Separtists |side2=*The Covenant |side3=*The Forerunner |side4=*The Flood |comm1=*Cmdr. Miranda Keyes and SgtMaj AJ Johnson |comm2=*Prophet of Truth, Tartarus and Arbiter |comm3=*Monitor 2401 Penitent Tangent |comm4=*Gravemind |forces1=*Marines, Navy, ONI, Spartan II project |forces2=* Drones, Jackal, Brutes, Grunts, Elites & Hunters (who eventually combat each other) |forces3=*Sentinals |forces4=*Infection Form, Human Combat Form, Covenant Combat Form, Carrier Form |casual1= All Marines excluding [[Seargant Johnson]

All officers exept Miranda Keyes
All ODST's

|casual2= Moderate Ground troops, Most Ships, Prothet of Regret, Prophet of Mercy, Tartarus |casual3= Some Sentinals |casual4= some/moderate Flood }}

Summary

DATE:

LOCATION: Installation 05

Involved: UNSC, Covenant, Flood, and Forerunner construct forces.

Synopsis: For the second time, the four factions met in battle over one of the Forerunner Halos. This time, however, it appears the Flood have the upper hand.

Outcome: Unknown