Roger That Meaning

Example :   1969 "Capsule Communicator: '11, this is Houston. We've completed the trunnion zero bias setting. You can retrieve the computer and go to BLOCK.' Commander (Neil A. Armstrong): 'Roger that. Thank you.' ", Apollo 11 Air-to-Ground Voice Transcription (Tape 4/5, mission time 5h 16 min), 16 July 1969.  1974 "This is the book for everybody who ever groaned under the onslaught of trivia transmitted by the astronauts ('This sunset is really something, Houston...' 'Roger that...'). review of M. Collins, "Carrying the Fire", Flying Magazine, November 1974, p. 108.  1989 "'It's going to blow visibility to shit, too.' 'Roger that.'" Tom Clancy, Clear and Present Danger, p. 506.