I find in my automated fleet testing (let my fleet go under pure AI control in full assault mode without player input after getting objectives to deploy the max 60% of battle size and then gathering up the fleet together, against 2 Ordos fleets) that the Hurricane very frequently ends up being the biggest damage-dealer of all the weapons, whether with ECCM (Odyssey) or without ECCM (SO Apogee).
The Hurricane has very high damage potential, dealing up to 500x11 = 5500 damage every 15 seconds or 367 HE DPS, hit strength 500, but the refire delay can be decreased to every 10 seconds with Missile Specialization, which increases this to 550 HE DPS, hit strength 500, with no flux cost. Obviously not all submunitions will hit, so the actual DPS will be lower than this, but in a crowded battle there's a pretty good chance that they'll hit *something*.
Hurricanes can also fire through your ships, like other missiles, meaning that (with their 2500 range) even backline ships can contribute a lot of damage. The submunitions, despite being unpowered, will also go through your ships, so you don't have to worry about friendly fire.
Most importantly is how the missile interacts with the AI. Because the damage comes in a single big burst, a lot of times the target won't be prepared for it and won't have time to retreat, leading to outright destruction. That fulfills the missile's role as a finisher. But just as important, in the current version of Starsector, the AI often won't chase after weakened targets to finish them off, letting them get away. The Hurricane, because it was launched well in advance, will often end up hitting (and thus finishing off) the target after the firing ship has decided to not pursue, ensuring that targets get destroyed and the battle advances.
With Expanded Missile Racks and the Missile Specialization skill, you get 30 shots, which lasts for 300 seconds of battle. That's enough to chew through roughly 1.5 Ordos fleets, running out at the end against 2 Ordos fleets, but by that time the fleet should be in cleanup mode anyway.
(Note on the combined screenshot: the Apogees were actually using SO as well, even though it wasn't in their name, as were the Hyperions.)
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