Across the armed forces, the minimum age allowed for enlistment is 17 (with parental consent) and 18 (without parental consent). The maximum age for enlistment for someone who has never served in the military before varies by branch; for the Army it's 35, for the Navy it's 34, for the Air Force it's 39 and for the Marines it's 28.
The year of the horse means there is leadership associated with this sign this year, so your authority may increase, according to Ng. However, the impulsive behaviour of the horse can lead to recklessness, so stay away from gambling and speculations.
The following table summarizes how to convert horse years to human years, and is based on the Equine-Human Maturity Evaluation. The above table is an average of different horse breeds, based on a well-kept domestic horse. It uses an average horse lifespan of 24 years and an average human lifespan of 70 years. Wild horses and poorly kept horses have a much shorter lifespan, while some breeds (e.g. Arabian and many pony breeds) have a longer lifespan. To allow for different breed lifespans, simply use the following calculator: