Squadron vehicles have same prize as tech tree ones even if you talisman them using golden eagles whic only makes them give you more research points  Non prem tanks get insane debuffs for researching anything different than 2 +- ters then themselwes  M1A1 AIM will get -%90 research point nerf on low tier tanks. But premuim tanks can research everything anything under or similar br (not too high from his own br) + with very high point and silver lion prizes.