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Previous:

Operation: FIRST STRIKE

Concurrent:

Battle of Earth

Next:

Battle of Installation 00

Operation: CRIMSON SHIELD
H3 TheArk Opening

Date:

October 21, 2552

Location:

Earth

Outcome:

  • Precursor Gravemind contained
Belligerents

UNSC

Covenant

Flood

Commanders

Grif-L01

Prophet of Truth

Precursor Gravemind

Strength

Legacy Team

Many Jiralhanae

Precursor Flood

Casualties
  • Many Marines and Army
*1 SPARTAN-III

Heavy

All forces

 

In Operation: CRIMSON SHIELD team Legacy, supported by Rook-R291 and NightStalkers storm a Covenant controlled Precursor compound in hopes to stop the Covenant from activating a fail safe that would obliterate the planet.

HistoryEdit

BackgroundEdit

Having discovered the location of a Precursor structure, the Covenant attempted to activate what the UNSC thought was a fail safe incase the Forerunner's won the war. Although it was a failsafe, it didn't destroy Earth like they thought it would, instead it unleashed the Flood.

TimelineEdit

October 21, 2552

  • 0610 Hours: UNSC scientists discover the Precursor A.I. becomes active as Covenant glass Earth

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