You cannot automatically increase your ship crew size in Starfield. you will not be able to increase the capacity without spending skills
A large Ship Crew size in Starfield is one of the most important parts of your journey. When venturing into different galaxies, you cannot deal with the emptiness of the soundless planets on your own. Hence, there is a need for a Ship Crew that accompanies you throughout your expedition. How to increase your ship’s crew size in Starfield
Take note that while you can increase the number of crew on your ship, you cannot do it automatically in Starfield. You must meet certain standard procedures to populate your ship.
Increasing ship crew size in Starfield can be a bit challenging for something as easy as it sounds. During your journey, you will need to populate your ship with certain members in order to travel across different planets. Having only two crew members will not do the job for you.
