Kyle:
Operations (TOS: "Wolf in the Fold"):
Sciences (TOS: "Space Seed", "Star Trek II: The Wrath of Khan"):
Command (TOS: "The Immunity Syndrome"):
Sulu:
Sciences (TOS: "Where No Man Has Gone Before"):
Command (TOS: "ArenaArena", "Star Trek VI: The Undiscovered Country"):
Operations (TOS: "Mirror, Mirror", "Star Trek II: The Wrath of Khan" publicity shot):
Chekov:
Command (TOS: "Spectre of the Gun"):
Sciences ("Star Trek VI: The Undiscovered Country"):
Operations ("Star Trek: The Motion Picture", "Star Trek Into Darkness") (the grey backing on the Starfleet / Enterprise insignia indicates Operations / Security in the TMP uniform):