Lifestyles SKYN condoms are one of only a handful of available brands of non-latex condoms. These polyisoprene condoms were FDA approved in November 2008 for the prevention of pregnancy as well as for sexually transmitted diseases.
In the US, the Marines are part of the Navy. The Navy is the seagoing part of the US military. They man the ships, and submarines, and fly the jets from aircraft carriers. The marines were originally soldiers specially trained for ship to ship combat back in the days of sailing ships.
Difference Between Navy and Marines. Navy vs Marines. The difference between Navy and Marines can be very easily understood when you see that the naval wing of the armed forces of the US comprises Navy, Marines, and the Coast Guards. All three have different roles and responsibilities.