This sound is from Fallout: Brotherhood Of Steel Soundboard

Fallout Brotherhood of Steel is the fourth video game to be set in the Fallout universe. The game chronicles the adventures of an initiate in a militant quasi-religious organization that has come to power in a post-apocalyptic world.
See also: Fallout Tactics: Brotherhood of Steel, Fallout (series), Brotherhood of Steel, Fallout (video game), Van Buren (video game), and Music of the Fallout series.