Battle of Cleveland

The Battle of Cleveland was an engagement between the UNSC Defense Force and the Covenant Military that took place in Cleveland, Ohio on Earth during the Second Battle of Earth.^[1]

Purpose

The purpose of the occupation was to find and retrieve the Key of Osanalan, a Forerunner artifact revealed by Colonel James Ackerson during his interrogation. Ackerson told it was a necessary component for the firing sequence of the Halo array to properly initiate it. The Key does not exist, however:^[2] Ackerson simply told the Covenant about it to save his brother. The Covenant would not destroy the city before getting the Key, and Ruwan's knowledge of the Key would help him escape.

Sources

^ Halo: Uprising, Issue One
^ Issue One

v • d • e ⇦ Battles of the Human-Covenant War ⇨

2520s	Harvest (I) (Minor Transgression) • Chi Ceti • Alpha Corvi II • Bliss • Harvest (II) • Netherop (I) • SILENT STORM (Seoba • Biko • Etalan • Zhoist) • Circinius IV • Mesra • Netherop (II) • Alpha Aurigae • Galodew • XI Boötis A • Madrigal • Hat Yai • Asmara • Harvest (III)

2530s	Dwarka • Eridanus II • Groombridge-1830 • Arcadia (I) • Etran Harborage • Vodin • Victoria • Jericho VII (I) • Eirene • Charybdis IX • The Rubble • Metisette • Leonis Minoris • New Constantinople • Bonanza asteroid belt • New Harmony • K7-49 • Atlas Moons • Kholo

2540s	Jericho VII (II) • Alluvion • 18 Scorpii • Psi Serpentis • Miridem • Fleet of Glorious Consequence • Heian • Draco III • Actium • Pegasi Delta • Sargasso • Camber • New Llanelli • Skopje • Meridian • Bounty • Ruthersburg • Algolis • Estuary • Mesa • Kroedis II • Arcadia (II) • Paris IV • Iota • Titus

2550s	Minab • Gamma Pavonis VII • Imber • Jastolo • Lenapi • Ursula IV • Cygnus • Erdenet • Ballast • Concord (OFFSET EYE) • Beta Eridani • Ariel • Fumirole • Troy • Criterion • Sigma Octanus IV • Reach (Engagements) • Tribute • Verge • Beta Gabriel • Line Installation 1-4 • New Jerusalem • Mount Haven • Installation 04 (Engagements) • Threshold • Reach raid • Eridanus Secundus • Unyielding Hierophant • Earth (Engagements) • Luna • Onyx • Installation 05 (Engagements) • Mars • Anodyne Spirit • Installation 00 (Engagements) • SUNSPEAR

Unknown date	Alpha Cephei (pre-2541) • HEMORRHAGE (pre-2552) • Odenli'sh (pre-2552) • DIRE MORNING • FANCY DRESS

Overarching campaigns	Outer Colonies (2525-2536) • Inner Colonies (2536-2552)

By victor	UNSC • Covenant

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Purpose

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