Lord Saladin is waiting to brief you on the situation. Visit the War Table in the H.E.L.M.
In the face of Zavala's rebuke, a Cabal fleet sits just outside Vanguard space off the orbit of Nessus. Smaller detachments have been reported near Europa, with supply caravans feeding deep into the system. Lord Saladin, Osiris, and the Crow orchestrate a Vanguard response with you at the spearhead.