Halo Infinite’s Winter Contingency III Operation runs from December 19 through January 30. Its Operation Pass will feature 20 tiers of free customization rewards, including new armor, new coatings, along with nameplates and emblems. Halo Infinite’s Winter Contingency III Operation runs from December 19 through January 30. Its Operation Pass will feature 20 tiers of free customization rewards, including new armor, new coatings, along with nameplates and emblems.