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Recruit Basic Training, also referred to as "Boot Camp," If you have the courage to succeed, "Boot Camp" will help you develop into a mature, highly disciplined, and fully capable servicemember. During this time, Drill Instructors (DI) will teach you how to care for yourself and others, function as a member of a team and to achieve success together. Recruit Training includes first aid, water survival skills, marksmanship, tactics and other related topics. The other things that are important to know is:

• Boot camp is mostly a mind game. It's designed to take the civilian out of you and replace it with a top-notch military servicemember (Soldier, Sailor, Marine, or Airman). 
• Keep a good attitude. Everyone gets chewed out in boot camp, even when they have done well. It won't be this way after you graduate Basic.
• Never, ever, make excuses. Unless you are asked to explain yourself, explanations are seen as excuses, so just say "Yes, sir" and take the chewing out.
• Do exactly what you're told to do, when you're told to do it, and how you're told to do it.
• If you're "on time," then you're late. Always be where you're supposed to be five minutes early.

There are three categories. These three general categories of military peopleare:

active duty (full-time soldiers and sailors),

reserve & guard forces (usually work a civilian job, but can be called to full-time military duty), 

 veterans and retirees (past members of the military).

An offer of Appointment in the PDF is conditional on the passing of a medical examination and physical fitness test prior to enlistment.

Designed to test the candidates current level of physical fitness, the candidate displays to the Board his/her capacity to undergo the rigours of military training.

It is composed of two aspects:

• Aerobic Endurance
• Local Muscular Endurance.

Candidates will be required to run one and a half (11/2) miles within the PDF time limit below.

• Males - 11 Mins 30 secs
• Females - 13 Mins

Those are the max times allowed. This is a Pass or Fail test.

• Males - 20 push-ups and 20 sit-ups
• Females - 20 push-ups (Modified) and 20 sit-ups

Max time allowed 1 minute. This is a Pass or Fail test.

• A person discharged from the Defence Forces (Permanent or Reserve) or the Military, Naval Police or Air Service of any other country or state because of misconduct or as a result of being found medically unfit.
• person belonging to the Permanent Defence Force or Garda Síochána, or a person belonging to the Military, Naval, Police of Air Services of any other country (the recruiting centre can advise on this matter).
• A person convicted by a civil court of a serious offence.
• A person in receipt of a disability pension.
• An apprentice (the recruiting centre can advise further on this matter).