Ardent Seas blends modern naval combat with classical RTS gameplay, featuring Aliens, space lasers, and unholy amounts of missiles
The blue fuel bar has been replaced by blue drops, and it's mechanically closer to final too.
The HP bar always remains at the same size, but varies in number of segments depending on how much HP a unit actually has.
Fuel and ammo indicators instead just change the number of pips.
The UI always appears on the side you're looking from, head-on/aft-on it might show the bars over/under each other, or show both. Not sure on that end yet.