Vertibird Signal Grenade
This unique homing device emits a signal that allows a VB-01 Vertibird transport, due to the Brotherhood's lack of gunships, to home in on the player's position and ferry them across the Commonwealth.
- Prydwen: No Mercy reward, can be resupplied at Proctor Teagan or Preston Garvey/Tinker Tom once the Prydwen's been destroyed.
- "I'm afraid I can't spare a fully-armed gunship for this task. A standard transport will have to suffice."(Arthur Maxson's dialogue)