This sound is from Rick Flag Soundboard

Rick Flag is the name of three fictional characters appearing in American comic books published by DC Comics. The father, Richard Flag, was in the original Suicide Squad, a World War II unit. His son, Captain Rick Flag Jr., was a member of the Forgotten Heroes and led two different incarnations of the Suicide Squad.
See also: Characters of the DC Extended Universe, Suicide Squad, Joel Kinnaman, Suicide Squad (film), The Suicide Squad (film), and Amanda Waller.