Here are some photos I took of Cessna O-2 Skymaster / Bird Dog examples on display in California, Hawaii, Ohio, Oregon, Washington, South Dakota, Georgia, Oshkosh and Florida. This is the military version of the Cessna 337 Skymaster.
On my list is a pair of consecutive airframes: 68-6864 (Eglin AFB) and 68-6885 (Oshkosh 2024)
1967 Cessna O-2A 67-21307 (#337M-0013)
Oshkosh 2026
O-2A 67-21331
NMoUSAF 2018
O-2A 67-21363
Museum of Flight’s Restoration Hangar 2017
O-2A Skymaster 67-21380 “Big Herb”
Robins AFB 2024
O-2A 67-21395
Evergreen Museum 2018
O-2A Super Skymaster 67-21413
Castle AFB, Atwater CA 2024
O-2 Skymaster 67-21418
Fort Worth Aviation Museum 2024
O-2A Bird Dog 67-21422
South Dakota Air Museum 2021
1967 Cessna O-2A 67-21424 (#337M-0130)
Oshkosh 2024
Oshkosh 2025
Oshkosh 2026
O-2 Skymaster 67-21430
Fort Worth Aviation Museum 2024
1967 O-2B 67-21452 (#337-0454)
Oddly enough, the number painted on tail is 67-21446
Oshkosh 2025
O-2B 67-21465
March AFB 2018
O-2A Skymaster 68-6864
Air Force Armory Museum; Eglin AFB 2024
1968 Cessna O-2A 68-6885 (#337M-0174)
Oshkosh 2024
Oshkosh 2025
1968 O-2A 68-6892 (#337M-0181)
Heritage Flight Museum 2023
O-2A Super Skymaster 68-10853
Hill AFB 2026
1969 O-2A 68-11029 (#337M-0305)
Valiant Warbirds Museum 2024
Cessna O-2A 68-11145
This is a composite aircraft, wears markings 86857