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.
For reserve duty... The maximum age to enlist is age 39. For a reserve commission, the minimum age is 21 and maximum age is 36 years old; however, a waiver may be granted for applicants with prior military service (up to age 39). The Officer Candidate School (OCS) minimum age is 21 and maximum age is 26 years old. 2  However, applicants with prior active duty service in any military branch may exceed this age limit by the number of months of service (not to exceed age 31).