Hello, Im abit unsure about this, but how do you become a Non-commisioned officer in the royal marines? Do you join as a commando first? Do you need 5 GCSE's and 2 A-levels? How do NCO's differ from Officers? Is it a higher pay band? And, for the specialisations available to RM commando's, which ones are the higher pay band, and which aren't? Many thanks for all the help! Jamie.