War Thunder: UFO Controls Guide

wasd to move
r to raise altitude
f to lower altitude
left click to shoot laser
g for hover mode
fly into water for submarine mode

hover mode
you get a shield
wasd to move
you cant change altitude
left click to shoot projectile
g to return to flight mode

submarine mode
wasd to move
r to raise altitude
f to lower altitude
left click to shoot some small rockets
space for guided torpedo