The Rebel Alliance possessed a trio of Lambda-class T-4a shuttles known as Escro group. Following the annihilation of Roe group, Escro group tried to stop Onece 3 from falling into enemy hands, but they themselves met destruction at the hands of [Outpost D-34]'s](/article/outpost_d-34) forces. The group was made up of Escro 1, Escro 2, and Escro 3.