Seeing as how several suggestion creators have made their own suggestions hubs, I thought I would as well. Just don’t expect frequent updates.
Ground
Czechoslovakia:
Skoda PA-II Dělový: The bulbous car
Lehký tank vzor 34: From tankette to tanks
New Zealand:
Vickers Light AA MK1 (New Zealand): The Small soldier of the Royal New Zealand Army
Switzerland:
Oerlikon GDF C02:Slow and shortsighted
Ukraine:
M2A2 ODS-SA Bradley (Tower 1): Extra defensive defender
M2A2 ODS-SA (Ukrainian operated): Eastern Cowboy lacking APS
ZSU-23-4M Donets: Combining a best seller with a shilka
United Kingdom:
Light AA MK2 (Late)-"Is it better here?"
Light AA MK2 (Early): Quality of life changes
United States of America:
M2A2 ODS-SA Bradley: An upgrade for an upgrade
Air
Estonia
Aviotehas PN-3: Eyes of Tallinn
Ukraine:
L-39U: Second wind from Odesa
United Kingdom:
Sea scout class airships (B.E.2c): The Royal Navy goes vertical
United States of America:
Northrop YB-35: A bird with an arsenal
Naval
Bangladesh:
BNS Madhumati: Good will, good guns
Belgium:
BNS Godetia: Belgian support (co-authored with @Thomas_Belgium)
Brunei:
Darussalam class OPV KDB Daruttaqwa: Gentle giant
Darussalam-class offshore patrol vessels (Standard configuration): Best of Brunei
Ijtihad-class patrol boat: Born in Bremen-Vegesack, made in Brunei
Czechoslovakia:
OMm35: Czech the waters
France:
Bâtiment Ravitailleur de Forces class supply ships: Serving before service
Greece:
Machitis class patrol boat HS Machitis: Spike of the Hellenic Navy
Ireland:
Samuel Beckett class: A novel guard
Latvia:
Skrunda class: Small floating cities
Netherlands:
HNLMS Karel Doorman (A833) (Initial refit): The giant of the Netherlands
Norway:
Jan Mayen OPV class: The cold soldiers
Poland:
D-3 class torpedo boat TP-1: The Western sister
D-3 class torpedo boat TP-2: The Soviet sister
ORP Batory: Dedicated guard boat
Lublin class Minelayer/Landing ships: Masters of multitasking
Project 912M sub chasers: Suspiciously patrol boat shaped sub chasers
Project 912 patrol boats: More modern, less efficient
Project 664 class torpedo boats: Ambitious but troubled
ORP Bałtyk (1988): Lone tanker
ORP Jaskółka (1934): The first swallow
ORP Nurek: Port builder
ORP Smok (1939): Tugging along despite the hardships
FM class minesweeper ORP Jaskółka: Replaced by swallows
Ukraine:
Ada class corvette Hetman Ivan Mazepa: Future flagship of the Ukrainian Navy
United Kingdom:
Archer class patrol boat HMS Dasher: Dashing looks, not so dashing armament
HMS Echo (H87): A sound service
Cutlass class patrol boats: Like the swords before them
Scimitar class patrol boats: Rather dull swords
Bangor class minesweeper HMS Llandudno: Adopted but never home
Canopus class battleship HMS Glory (1897): Around the world
Bramble class gunboat HMS Thistle (1922): The thorn on the Royal Navy's side
Helicopters
Ukraine
Mi-24PU1: Under the blue sky and over the golden fields.
Other:Project Wingman Crossover: Possible: Decals, Skins, Soundtrack and Maps
Passed for consideration:
Switzerland:
Would like to work on in the future
Viestures class - Not enough info on armament type
Swiss trialed Marder M12 - Need solid proof that it has a different MG
OPTIO-X20 - Need more history
THeMIS (Buria turret)- Need more history
Prezidentas Smetona- Not enough info on armament
Type 41 Patrol boats: Need more info and images
P31 patrol boat- Need a source it was armed with ZSUs
