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.
Traditionally, most people join the U.S. military in their late teens or early to mid-twenties. In 2011 the average enlistment age for people joining the Army was 21.3 years. Each of the four military service branches and the Coast Guard also have their own maximum age standards for enlistment or officer commissioning.