How will it work now?
I have AM-1 researched and bought, but I didnt touch AD-2 and AD-4.
Arrow down from this new group is red and F3D-1 card says I have to research previous plane first. But I can start researching F3D-1 nevertheless…
Will I be able to buy it and carry on with the research???
I have more such vehicle groups now: F7F researched, but not F8F… Spitfires… the list goes on…