What are the most physically demanding military jobs?

I'm interested in joining the military after high school, and I'm curious about which roles are considered the most physically demanding. Does anyone have insights on which jobs require the highest level of physical fitness and endurance?

There are several military jobs that stand out as particularly physically demanding across various branches of the U.S. military:

1. Army Ranger: Army Rangers are part of a highly-trained Special Forces group within the U.S. Army. Their training is grueling and includes physical fitness tests, swimming tests, and land navigation, among many other challenges.

2. Navy SEAL: They arguably have one of the toughest trainings in the military, called Basic Underwater Demolition/SEAL (BUD/S) training. This job not only requires physical strength but also endurance, mental strength, and the ability to withstand harsh environments.

3. Marine Infantry: The job of a Marine Infantryman is physically demanding due to the heavy equipment they carry and the extreme conditions in which they operate.

4. Air Force Pararescue: These Airmen are tasked with recovery and medical treatment of personnel in combat and humanitarian environments. Their training includes underwater swimming and survival training making their job physically taxing.

5. Special Forces Medic: These medics undergo rigorous physical training and must pass a demanding qualification course. They're trained to provide medical care in harsh combat environments.

Please note that all roles in the military require some degree of physical fitness and conditioning, but these roles are considered to be exceptionally challenging. Regardless of the role, joining the military will bring about some physical challenges as fitness is a crucial part of military service. Be sure to consider your own physical abilities, health, and personal interest when choosing a military career path.