According to the wiki:

Forbidden Exosuit Modules grant at least two to a maximum of four of the following six bonuses:

• 📷Shield Strength: increases the durability of the Exosuit’s shield.
• 📷Core Health: adds 1 health square (the player initially has 3 health squares).
• 📷Life Support Tanks: increases Life Support capacity
• 📷Solar Panel Power: during the day, reduces the Life Support drain of all movement functions
• 📷Sprint Distance: Sprint bonus: increases maximum sprint duration
• 📷Fuel Efficiency: Jetpack bonus: decreases Jetpack’s drain on Life Support

My thoughts on these are:

• More shield/health is always good as a buffer
• Bigger tanks increase the time between recharges but then again fuel is cheap and plentiful
• Does the drain reduction from solar panels really help?
• I use the jetpack to gain distance and only rely on sprinting when the jetpack is recharging
• I’m not sure I should bother with fuel efficiency as a) I have bigger tanks from the above bonus and b) ultimately, fuel is cheap and plentiful

What do you prioritise when choosing upgrades and what is your reasoning?

Wanted to get myself a squadron of Sentinel ships and I was wondering how much the game actually takes any upgrades you put into the ship into effect. Would a ship with high tier weapon upgrades change anything or does the damage only depend on the pilots stats? And will a pilot even use any installed weappns other than the base Sentinel canon? Looked on the wiki but it doesn’t even have a page about squadrons.