Probably Super 8...any guesses as to make/model of the camera in the 1981 picture?
http://photoblog.msnbc.msn.com/_news/2011/07/15/7092263-father-and-son-at-shuttles-start-and-end
http://photoblog.msnbc.msn.com/_news/2011/07/15/7092263-father-and-son-at-shuttles-start-and-end