S.W.O.R.D

is the Sentient World Observation and Response Department.

Avengers: Endgame
after the events of the Decimation, Jason decided to give up being a vigilante and began S.W.O.R.D, to act as a successor to S.H.I.E.L.D. Steve Rogers and the avengers were originally opposed to Jason's occupation, believing the universe needs more heroes, but decided it was Jason's choice.

Natasha Romanoff later appears at the headquarters, requesting Jason's help in reversing the Decimation. He agreed to help, and left Agent Masters in charge in his absence.

at the end of the film, Rogers spoke of everyone's choices, which showed Jason sitting in his office, looking at the sky, wondering if he made the right choice, before nodding. the headquarters is last seen when Jason welcome Nick Fury and Maria Hill to the organization.