Is it proper to wear the Navy commemorative medal if you served in the Navy?

Yes, it is proper for individuals who have served in the Navy to wear the Navy commemorative medal, provided they have been officially awarded it. Commemorative medals are meant to honor service members for their contributions and achievements. However, it's important to adhere to any specific regulations or guidelines set forth by the Navy regarding the wear of medals and decorations. Always ensure that you are in compliance with military customs and courtesies.