I have to use the minimal War Thunder client & play using ultra-low or minimum graphics settings due to my computer specs (i5-3750 cpu with integrated Intel HD graphics 2500, 12GB ram). When I select which country I want to play, some of the tabs of which vehicle modes (Aviation, Army, Fleet, Helicopters) are available to play (or maybe I should call them the vehicle mode lineup tabs) do not show for China (only Aviation & Army show), Italy (only Aviation & Army show), France (only Aviation & Army show), Sweden (only Aviation shows), & Israel (only preset #1 & present #2 show), even though when you click on the research tab to show the vehicles for that country then you see all those vehicle modes & vehicles in that mode for those countries (China, Italy, France, Sweden, Israel) that are available to play. Therefore since the tabs (vehicle line up) for some of the vehicle modes at the bottom of the screen do not show as available to play for China or Italy or France or Sweden or Israel, therefore I can not play or research vehicles the vehicles in that vehicle mode (i.e I got a talisman in an Italian naval ship but can’t even play Fleet mode for Italy as it doesn’t allow me to create a lineup as the lineup tab for Fleet for Italy does not show). Due to this bug/problem, sometimes I am limited or can not do a War Thunder challenge/event if it requires only using the specific vehicle modes for specific countries (i.e. only France Fleet/Naval vehicles). This is unfair to me, as I miss out on being able the ability to play everything that War Thunder offers and to do some challenges/events & the prizes for completing those challenges/events (silver lions, profile icons, premium vehicles, etc.)