During the War
Back in the Great War, Delta Team had performed numeruous other covert combat missions against Decepticons. After members Arcee and Tailgate were captured, they were interogated by Airachnid. Not knowing the information that she wanted, Airachnid killed Tailgate. Before being able to murder Arcee, members Bumblebee and Cliffjumper of another force managed to come and save her, but it was too late for Tailgate. 
The team's fate is currently unknown.
- Tailgate (offline)
†Transferred to Team Prime after the events of the Great Exodus
- 112. Predatory (flashback)