a marine biologist is just a biologist that works in the water and has nothing to do with being in the marines. so yes you can be a marine biologist without being in the marines.
That can depends on what size of a unit you are talking about. A squad usually runs about 10 people. A platoon will have 3 to 5 squads. A company has two platoons. And a battalion normally has 4...
No, afraid not. The day you are referring to was known as Marine Memorial Day until 1996. Communications Minister Shozo Murata designated the holiday in 1942 to commemorate the Meiji Emperor and his...