precipitation in Culture. In meteorology, the fall of water, ice, or snow deposited on the surface of the Earth from the atmosphere. In chemistry, a chemical reaction in a solution in which a solid material is formed and subsequently falls, as a precipitate, to the bottom of the container.
In the United States Army, Army Reserves, and Army National Guard, the maximum age allowed to enlist and ship to basic training is 35 years old. The Army experimented for quite some time allowing anyone up to the age of 42 years old to enlist and complete basic training.
To join as a regular soldier you need to be at least 16 years old, although you can start the application process earlier, with your parents' permission. If you're under 18, you'll also need parental consent to join. You should be in Army phase 1 training before your 33rd birthday. To apply to become a regular officer you need to be between 18 - 28 years and 11 months, although you can apply for sixth form and university sponsorship before you reach this age.