Private First Class Seamus Greco was an Task Force Bravo.in the . He was one of the original members of
- Main Article: Operation: EUREKA
- Main Article: Daego Insertions
For the initial assault on the planet, Seamus was assigned to Task Force Bravo on the group's "Team two" with Ashley Drago and Garth Chyenka. He was wounded almost on arrival, slowing the team's overall movement. When Drago was wounded as well, the team called for emergency evacuation. They returned to the Sword of Giants as part of the tactical withdrawal soon after.
- Main Article: First Battle of New Jerusalem
Seamus was once again part of Task Force Bravo during the team's second engagement, the First Battle of New Jerusalem. However, he was killed towards the beginning of the battle when the force's dropship was shot down by .