The Battle of Requiem IV was the first battle between the UNSC and GRM. It occurred in the newly-discovered Requiem system in 2558. The Requiem system had recently been discovered by the UNSC Infinity and John-117 the year before.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/4OWvLgynIgl5hgARoBAq3g== | 5.88129e-14 |