Goal. To study the indicators of vital capacity of the lungs (VEL) of submariners specializing in swimming in the stayer, sprint and underwater disciplines in 2010, 2016, 2021. Materials and methods. The study involved submariners aged 20 to 25 years (10 women and 10 men), in each time period. Each athlete is a member of the national team of the Krasnoyarsk Territory and has a sports category not lower than the candidate for master of sports. The following methods are used in the work: the method of evaluating morphofunctional indicators.