These are the Nationality Decals that can be won in War Thunder. They will appear on planes of that nationality in the customization areas on that plane.
“As well as unlocking skins and medals War Thunder also offers players the chance to unlock...Decals
“This Badges apart from the ANR Roundel only apply aircraft from Germany and Italy as Japan has...Axis Badges
“These badges are obtained using aircraft from the USA, Britain and Australia RAAF Roundel: 15...Allied Badges
“These apply to all countries although some are for specific countries Awards: Destroy 50 ground...Victory Marks
“A quick to make out there no emblems for Italian aircraft 1/Ku.FI.Gr 706: Buy 3 rank rank IV...Axis Emblems
“Like the badges these Allied Inscriptions apply to the USA, Britain and Australia. It is text...Allied Inscription