Please choose the correct ending to complete the given sentence: Work World: [header] How to join the navy [title] Be in the right age range. [step] To enlist in the navy, you must be at least 17 but under 34 years of age. If you're 17 years old, you will need your parents permission to enlist, otherwise you can wait until you turn 18 to self apply.

Ending1: [substeps] Check with your school district, your parents, and your supervisors to see what the requirements are for joining. If you're older than 18, it's impossible to join the navy until you can become a member of the military. Ending2: To become an officer, you must be at least 19 and no older than 35. [substeps] The age requirements vary according to specific positions; for example, some officer positions may require that you be older than 19 to apply. Ending3: You will also need to have a certain educational history and good relationships with others. [title] Contact a recruiter for instructions on how to apply. Ending4: The minimum age for joining the navy is 21, or 18 for girls who only stand one year of age. This is also known as the age defined in the nami mission statement and many would-be members of the military state their age and desire for joining the army at a certain age.

Answer format: ending1/ending2/ending3/ending4