i Register
In some senses, squadron is marked as obsolete, historical. Watch for register when choosing this word.
noun
A body of troops drawn up in a square.
Those half-rounding guards / Just met, and, closing, stood in squadron joined.
A body of cavalry comprising two companies or troops, averaging from one hundred and twenty to two hundred soldiers.
A body of infantrymen made up of several platoons, averaging from eighty to one hundred and fifty men, and led by a captain or a major.
A detachment of vessels employed on any particular service or station, under the command of the senior officer
the North Atlantic Squadron
A tactical air force unit; consists of at least two flights; multiple squadrons make up a group or wing (depending on particular air force).
verb
To divide up into squadrons.