For example, a lower volatility stock may have an expected (average) return of 7%, with annual volatility of 5%. This would indicate returns from approximately negative 3% to positive 17% most of the time (19 times out of 20, or 95% via a two standard deviation rule).
To join the enlisted ranks, in general you must: 1  Be a U.S. citizen or Green Card holder Non-citizens must speak, read, and write English fluently. Non-citizens must currently live in the U.S. 2  Be in good health. 3  Be 17 to 40 years old (different branches have different age requirements). View a chart of age requirements by service.
The Air Force raised the maximum age for enlisted accession from 27 to 39, meaning it may now be the best choice for those who feel the call to military service later in life.The maximum age for Army enlisted recruits is 35, while the Navy and Marines cap recruit ages at 34 and 28, respectively.Under federal law, the oldest recruit any military branch can enlist is 42, although each service sets its own policy within that limit.he maximum age for Army enlisted recruits is 35, while the Navy and Marines cap recruit ages at 34 and 28, respectively. Under federal law, the oldest recruit any military branch can enlist is 42, although each service sets its own policy within that limit.