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.
Join Today! In the United States Air Force, the maximum age allowed to enlist and ship to basic training is 27 years old. In the Air Force Reserves, the maximum age is 34 years old. In the Air National Guard, the maximum age is 39 years old.
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.