I photographed these M777 155mm Medium Towed Howitzer examples at McChord, Olympia, Oshkosh and Olympia.
M777 Towed Howitzer
Olympia 2022
M777A2 Medium Towed Howitzer
McChord AFB 2016
M777A2 155mm Howitzer
Assumed to be the M777
Olympic Flight Museum 2023
M777A2 Towed Howitzer
Oshkosh 2024
Assumed to be the same one both years