HALO 4: FORWARD UNTO DAWN

Peach was one of the first Spartan 2s along side the Master Chief. But she was on the first planet that was ever invaded by the Covenant and was the last survivor and is now with the Hastati Squad. Everything was fine until the Covies decided to invade another planet.
Will she be recognized by the Master Chief as well as put her armor on one last time to protect Lasky and the rest of the Hastati squad?