Team Arrow attacks a meeting between Church and the various gang leaders held after Oliver's supposed death in episode 5x05 "Human Target".
Source: Skinney2101 — Twitter
The team gathers to observe a demonstration of the new X-301 fighter in episode 4x12 "Tangent". The team boards Selmak's transport ship in episode 4x14 "The Serpent's Venom".
Mrs. Decker waits for her ride at the airport and has to call a cab.