@Sithis Im kind of stubborn retarded when it comes to the eagle strats. I literally never used them because I assumed the description text meant that they were limited in ammo and never reloaded.
As for napalm, it shockingly effective. Im almost fully upgraded so that might be a factor but basically if there's a large amount of enemies in front or behind me I can effectively delete them with it. It doesn't have the draw backs of random friendly fire like the progressive artillery and it covers a lot of ground. Its not as good with heavys like large bots or squid striders but it still does damage to them and kills the shit out of grunt chaft. As long as you got a decent amount of distance between you and the enemy or even if they are on top of you it can be a real horde cleaner. Its a must with the bugs, it has a higher chance to kill heavies.
In particular it's great at covering retreats, cleaning bases, deleting waves coming at you. Basically if there's a large number of enemies coming at you from any one direction just set that sucker a couple meters in front and take a couple steps back. There's nothing else that really tops it in my opinion. Even if you're getting hit from multiple sides it can give some real breathing room.
Edit: also if you're wearing heavy flame armor with the health boost you can take a few direct hits and be fine.