1959 at U-D Memorial (att. 8,869)
- Championship: Eastern beat Detroit Holy Redeemer, 56-41 (Coach Bob Samaras)
- Consolation: Northwestern beat Hamtramck St. Florian, 57-51
1958 at U-D Memorial (att. n/a)
- Championship: Detroit Austin beat Northeastern, 63-40 (Coach Chuck Hollosy)
- Consolation: Grosse Pointe St. Paul beat Northwestern, 61-51
1957 at U-D Memorial (att. 7,061)
- Championship: Northwestern beat Detroit All-Saints, 42-32 (Coach Ed Demerjian)
- Consolation: Detroit Austin beat Cass Tech, 51-50
1956 at U-D Memorial (att. 7,160)
- Championship: Detroit St. Andrew’s beat Southeastern, 61-58 (Coach Raymond “Nap” Ross)
- Consolation: Chadsey beat Detroit Austin, 66-61
1955 at U-D Memorial (att. n/a)
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Championship: Cass Tech beat Royal Oak Shrine, 59-43 (Coach Frank “Ace” Cudilo)
- Consolation: Northwestern beat Detroit De La Salle, 52-50
1954 at U-D Memorial (att. 4,250)
- Championship: Northwestern beat River Rouge Lourdes, 53-50 (Coach Ed Demerjian)
- Consolation: Miller beat Detroit St. Anthony’s, 48-37
1953 at U-D Memorial (att. 5,640)
- Championship: Southeastern beat Wyandotte Mt. Carmel, 43-41 (Coach Perry Deakin)
- Consolation: Northern played Detroit De La Salle but no record of score found
Please Note: There were no Operation Friendship Championships from 1948-1952.