For some reason our glorious snail did not give Night vision to the J15T, sure the ls-6 IR and the KD 98 IR both have thermal scopes but that doesnt make up for the missing Night Vision Pilot Side sure it doesnt have nvd goggles but has intergrated NVG.
If you have sources to prove your claims then you can bug report it here (just search a bit first so that you don’t report something that is already reported and known about): (Gaijin.net // Issues)
A guide on how to report bugs can be found here: ([Navigation] Technical Knowledge Base | War Thunder Wiki)
Here are their requirements for sources:
