He (and Trapper) saluted Margie Cutler, when she lost her towel after running out of the shower (in episode I/3: Requiem for a Lightweight)
When two new nurses arrive in the camp, Hawkeye saluted one of them (in episode I/14: Love Story)
He saluted for Capt. Jonathan Tuttle at his commemoration (in episode I/15: Tuttle)
He saluted as he left the swamp naked for the mess tent (in episode I/18: Dear Dad...Again)
He saluted Frank as he sits on the latrine after playing a trick on him (in episode I/24: Showtime)
He saluted Frank before playing a trick on him (in episode II/25: Divided We Stand)
He saluted Frank on the way to nurse Erika (in episode II/27: Radar's Report)
Hawkeye and Trapper saluted Hot Lips in her tent, while she was holding a massage appliance in her right hand (in episode II/32: The Trial of Henry Blake)
He saluted a major, as he and Trapper were standing in front of the three incubators (in episode II/36: The Incubator)
He saluted Radar after he handed him over his medal (in episode VI/122: Fallen Idol)
He saluted Radar in the OP before Radar left home (in episode VIII/174: Good-Bye Radar)
He saluted Father Mulcahy, when he was promoted to Captain in Rosie's bar (in episode VIII/182: Captains Outrageous)
Hawkeye and B.J. saluted Col. Potter, when they said 'Goodbye' to him (in episode XI/251: Goodbye, Farewell and Amen)