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Tech 1 Naval Units
Attack SubmarineUES0203 build btn.pngURS0203 build btn.pngUAS0203 build btn.pngXSS0203 build btn.png
FrigateUES0103 build btn.pngURS0103 build btn.pngUAS0103 build btn.pngXSS0103 build btn.png
Attack BoatNo-unit.pngNo-unit.pngUAS0102 build btn.pngNo-unit.png
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Submarines
Attack SubmarineUES0203 build btn.pngURS0203 build btn.pngUAS0203 build btn.pngXSS0203 build btn.png
T2/T3 Submarine HunterXES0102 build btn.pngXRS0204 build btn.pngXAS0204 build btn.pngXSS0304 build btn.png
DestroyerNo-unit.pngNo-unit.pngNo-unit.pngXSS0201 build btn.png
Strategic Missile SubmarineUES0304 build btn.pngURS0304 build btn.pngUAS0304 build btn.pngNo-unit.png
Experimental SubmarineUES0401 build btn.pngNo-unit.pngUAS0401 build btn.pngNo-unit.png

UEF T1 Attack Submarine: Tigershark UEF T1 Attack Submarine:  Tigershark
UEF T1 Attack Submarine: Tigershark
Low-end attack submarine.[ e ]
Build costsEnergy icon.png -3200
Mass icon.png -400
Time icon.png 1600
Max healthHealth icon.png 600
Speed6 (SurfacingSub)
Veterancy UEF veteran icon.png Kills icon.png 4 (Health icon.png+1/s)
Intel (radius) Vision: 32
Water vision: 32
Sonar: 60
Anti Navy - Torpedo
Damage per second 38
Torpedo damage 75
Salvo size 2 Torpedos (in 0.7 s)
Reload time 4 seconds
Range 32
Direct Fire Naval - Projectile
Damage per second 25
Projectile damage 25
Reload time 1 seconds
Range 32

Cybran T1 Attack Submarine: Sliver Cybran T1 Attack Submarine:  Sliver
Cybran T1 Attack Submarine: Sliver
Attack submarine. Armed with a Nanite torpedo launcher and a deck-mounted heavy laser.[ e ]
Build costsEnergy icon.png -3200
Mass icon.png -400
Time icon.png 1600
Max healthHealth icon.png 525
Speed6 (SurfacingSub)
Veterancy Cybran veteran icon.png Kills icon.png 4 (Health icon.png+1/s)
Intel (radius) Vision: 32
Water vision: 32
Sonar: 60
Anti Navy - Torpedo
Damage per second 38
Torpedo damage 50  (1s DoT)
Salvo size 3 Torpedos (in 1.4 s)
Reload time 4 seconds
Range 32
Direct Fire Naval - Projectile
Damage per second 20
Projectile damage 10
Rate of fire 2 Projectiles/s
Range 32

Aeon T1 Attack Submarine: Sylph Aeon T1 Attack Submarine:  Sylph
Aeon T1 Attack Submarine: Sylph
Low-end attack submarine.[ e ]
Build costsEnergy icon.png -3200
Mass icon.png -400
Time icon.png 1600
Max healthHealth icon.png 550
Speed6 (SurfacingSub)
Veterancy Aeon veteran icon.png Kills icon.png 4 (Health icon.png+1/s)
Intel (radius) Vision: 32
Water vision: 32
Sonar: 60
Anti Navy - Torpedo
Damage per second 38
Torpedo damage 75
Salvo size 2 Torpedos (in 0.7 s)
Reload time 4 seconds
Range 32

Seraphim T1 Attack Submarine: Sou-istle Seraphim T1 Attack Submarine:  Sou-istle
Seraphim T1 Attack Submarine: Sou-istle
Low-end attack submarine.[ e ]
Build costsEnergy icon.png -3200
Mass icon.png -400
Time icon.png 1600
Max healthHealth icon.png 400
Speed6 (SurfacingSub)
Veterancy Seraphim veteran icon.png Kills icon.png 4 (Health icon.png+1/s)
Intel (radius) Vision: 32
Water vision: 32
Sonar: 60
Anti Navy - Torpedo
Damage per second 38
Torpedo damage 75
Salvo size 2 Torpedos (in 0.7 s)
Reload time 4 seconds
Range 32
Defense - Anti Torpedo
Damage per second 0
Anti Torpedo damage 2
Reload time 20 seconds
Range 32
Direct Fire Naval - Projectile
Damage per second 23
Projectile damage 15
Rate of fire 1.5 Projectiles/s
Range 32

T1 Submarines are available to all four factions, and always feature the standard torpedoes for their faction. All four fire salvos of torpedoes every four seconds, for a total of 150 damage or 37.5 DPS. Each submarine has certain perks and advantages.

Tactics[]

The main advantage of submarines is their ability to engage enemy submerged submarines for naval supremacy. Most direct fire naval units cannot automatically fire at submerged subs, especially with their deck guns. Thus those units rely on torpedoes, manual control with splash damage, or allied units to deal damage. However, compared to the frigate, subs have a third of the HP and cost 1.5x as much mass, while nominally dealing less damage while submerged. This is offset later in the game to some extent as they have no collision and can stack up on each other to deal more damage and become more mobile, although this makes the subs even more vulnerable to splash attacks.

Attack submarines can generally surface to engage targets, although due to their frailty this is generally best used against hover and land units only (with a surprisingly long range of 32 units, they technically outrange frigates). Three of the four have a deck gun for use while surfaced (the exception being the Aeon Sylph) which can outrange any other t1 surface weapon, though weaker than the cannons of frigates.

Factional differences[]

All factions have the same resource costs (400/3200), speed of 6 u/s, and 38 torpedo DPS at 32 range. The main differences are in health and alternative weaponry, such as deck guns and anti-torpedo. Most factions fire two torpedoes.

UEF Tigershark: The Tiger Shark is the toughest of the four subs, having a whole 600 HP. It fires salvos of two torpedoes doing 75 damage each. Its plasma cannon DPS of 25 is the highest in class and is useful on weakened units and hover units.

Cybran Sliver: Firing salvos of three torpedoes instead of two, and mounting a light laser, the Cybran submarine is a middle of the road unit. It has a marked advantage against anti-torpedo defenses--which it will likely encounter on Seraphim attack subs and Aeon frigates-- as it fires more torpedoes than its counterparts. It also has more HP than the Seraphim. It does less damage though when surfaced than the UEF submarine.

Aeon Sylph: The Sylph holds true to Aeon design and is useless against anything other than ships, because it can never surface. Thus it gains no advantage other than comfort that it will never surface. It features the second highest health and its torpedoes are equal to the other factions in DPS. Therefore it is basically a slightly weaker but equally expensive version of the UEF Tigershark, lacking a surface gun and has less hp than the UEF. However, it does have more hp than its Cybran and Seraphim counterparts.

Seraphim Sou-istle: The Sou-istle is somewhat lacking in HP. It does however have the most goodies. It features a Torpedo launcher identical to that of the UEF and Aeon. It also has a deck gun that is the middle ground between the UEF and Cybran submarines. It's biggest perk is an anti-torpedo charge. It does not fire fast enough though to give it a real advantage. It is still useful in naval engagements nonetheless.

Tips[]

Note that the mass costs are doubled in the Forged Alliance campaign (compared to those listed here), which makes them a pretty poor investment in that environment relative to just about any other naval unit.

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