Battle of CF-317

{{Warning|Do not mark this as NCF because a Sangheili is leading the Covenant in the fight. He is in fact a Loyalist (the entire fleet was made up of Sangheili Loyalists).]] {{Battle Infobox }}
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 * name=Battle of CF-317
 * image=
 * conflict=Second Great War
 * date=December 8th-12th, 2590
 * place=Orbit and surface of CF-317
 * result=New Covenant victory
 * side1=Orion Defense Initiative
 * Only UNSC present
 * side2=New Covenant
 * commanders1=Captain Maryanne Sherman
 * commanders2=Ship Master Denra 'Vadumee
 * forces1=*18{{sup|th}} Battlegroup
 * 1 John Paul Jones-class Superdestroyer
 * 2 Venus-class Torpedo Frigates
 * 2 Retarius-class Frigates
 * 3 Niagara-class Troop Transports
 * 4,530 Marines and ODST's
 * forces2=*1 Dauntless-class Cruiser-Carrier
 * 4 Harbinger-class Destroyers
 * Approx. 5,000 footsoldiers
 * casual1=*1 Venus-class Torpedo Frigates
 * 2 Retarius-class Frigates
 * 1 Niagara-class Troop Transport
 * 4,063 Marines and ODST's
 * casual2=3Harbinger-class Destroyers