Little analysis of our naval forces
Glory cruiser: Our only true capital ship, quite useless if you look at what kind of capital ships our enemy have. 300mm gun vs 160mm gun = bad situation
Protectors: Ships designed for offensive war used in defense, quite fragile considering that we lost three last turn without fighting enemy cruisers. Most likely roughly equal to their commerce raiders
Revolutionary torpedo boat: Convoy ship at best, too few to matter
Shark: Good for protecting our main ports from attack and we have enough of them for that role
Piranha: That should be our main Crow's isle defenders, we have enough of them to complicate enemy landings
Hunter: This is basically a fast mine-layer\escort with decent armor. Very underarmed for it's size, pose no threat to enemy cruisers\commerce raiders and very limited treat for their destroyers, very dangerous for the fleet of enemy smaller ships as likely can outrun them. We should be able to produce quite a lot of them. I think we should consider
Cod: Hard to sink small freighter.
Herring: Good submarine, suited both for defensive and offensive action
Naval strategy I want to propose:
Sharks: protect our home waters\shore shipping
Glory: mine Crow's island, act as a bait for the enemy cruisers. Than fight together with our coastal batteries, piranhas, aircrafts, herrings
Hunters: 50% go on offensive, Hunt lone Torpedo boats, do commerce raiding and mine enemy's territorial waters, run if attacked by enemy surface vessels, crush any aerial attacks on them with huge AA potential. 50% patrol\convoy our shipping lines and mine waters around Crow's island
Herrings: 50% go on commerce raiding enemy shipping and forcing them to divert some forces from attacking us forming convoys. 50% stay hidden near Crow island ready to intercept enemies second attempt to land on us
Protectors: In reserve to intercept enemy cruiser task force should it be damaged in combat and go on retreat (had we done that when their cruiser was crippled by cods, we might win the war already) or used for other emergency missions
Revolutionary: Patrol\convoy duty
Piranhas: 50% Guard Crow's island, be prepared to mass attack, 50% patrols
Ospreys: 50% Used as dive bombers to annihilate landings\ nail enemy cruisers down . Those 300mm guns are scary. Don't waste them on smaller ships.... Approaching cruisers as a torpedo bomber is too hard, because of their destroyer supports with good AA armament, diving from high attitude is a better way to avoid AA gunners from screens. 50% to act as torpedo bombers hunting for the raiders
Seaguls: Hunting enemy raiders
In general, I am sure that we need to start a counteroffensive, mostly to force them to spread their forces and getting propaganda effect... Using a lot of naval mines is a must, too. Our new design is great for offensive mining, it is great minelayer and mines can sink even the largest ships...
On 30mm... it may be indeed better to make automatic AA\AT variant... But I think we need coastal gun more, anyway... Their tanks not really worry me, we have a lot 40mm and some 80mm to stop them + Ospreys. Even ravens should be able to punch through top armor
And I beg to not submit a tank design.... It's just a waste of design resources right now, we have no tank gun, no resource to produce them