While the infantry based part of the doctrine demanded `` powerful tanks '' and `` tankettes '' , the shock Army demanded `` manoeuvre tanks '' used in conjunction with motorized forces and `` mechanized cavalry '' that would operate in depth as `` strategic cavalry '' combined with nascent airborne troops .
what were _ combined _ with something ?
`` manoeuvre tanks '' used in conjunction with motorized forces and `` mechanized cavalry '' that would operate in depth as `` strategic cavalry ''