This is a test of commonsense. Complete the next sentence:

How to pack alcohol in your luggage
Make sure you are of legal drinking age.
In most countries it is legal to carry alcohol on board an aircraft in your carryon luggage, or pack it in baggage that will be checked before you board the plane. You must, however, be of legal drinking age to bring alcohol on an aircraft.
In the united states, the legal drinking age in 21 years of age. If you are traveling outside the united states, be sure to check with your airline about how old you must be to pack alcohol in your luggage.