Nolan Ryan had his uniform number retired by the Texas Rangers (34), Houston Astros (34) and the California Angels (30).
If you retired from the military you may wear your uniform on any occasion that is appropriate and will not bring any shame to the service. A cruise would be a great place to wear a dress uniform.
Lou Gehrig - Number 4 was retired by the NY Yankees on July 4, 1939.
How is a baseball number retired? well it has to do with what you have done for the game of baseball, if you look at some of the retired numbers, you will see that they were great players that had part in changing the game, and they took part in making it the greatest sport in the WORLD i am sure it has to do with some off the field stuff as well, IF i am correct the ONLY number that will never be worn again is 42 other then its up to your ball club ask your self this am i the best number 5 that ever played for the PHILLIE'S and did i have a impact on my teams game and did i do great things, if the answer is yes Chances are #5 would not be worn in Philadelphia again.
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Reggie white
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There are a great number of specifics governing the wearing of the Marine Corps uniform. The wearing of the Marine Corps uniform is taken extremely seriously and must follow all regulations.
Only 1 player in baseball still wears Jackie Robinson's number 42 and that is Mariano Rivera the great closer for the New York Yankees
Ace Bailey of the Toronto Maple Leafs. February 14, 1934.
Alexander the great