One of the elite Special Forces in the world, the US Navy SEALs has their own small black book of abbreviations, which can be quite incomprehensible for civilians.  The abbreviations are related to the SEAL programs, courses, type of training, units and platoons, and much more. Here are some of the widely used Navy SEAL [...]

This 25 week course is conducted at the Naval Special Warfare Center at Coronado, San Diego CA.
Prior to BUD/S commencing candidates are put through a five week PTRR (Physical Training Rest & Recuperation) and is an opportunity for candidates to brush up on physical fitness while waiting for enough candidates to arrive for organized training [...]

It takes a lot to become a Navy SEAL. It involves sheer grit, determination and a Navy SEALs workout session that is called Hell Week! Any aspiring Navy SEAL needs to go through a thorough physical screening after which a series of rigorous training schedules are conducted.
Physical Screening Test or PST
This is a mandatory requirement [...]