This is a classic Finnish UFO documentary by Juhan af Grann from 1992.
In April 1969, a remarkable incident interrupted a Finnish air force training exercise. Watched by dozens of pilots, seven round objects appeared above an airfield. When a jet approached them, they headed off, in formation.
One human fighter pilots pursued. He described the round objects as having “no extremities” and “pale yellow.” Because the objects had no “fixed points,” he couldn’t estimate his distance from them. At least at the time the documentary was made the pilot still had no logical explanation.
