>> reporter: the a-10s are significant. their primary role is to target armor, that is tanks on the ground. that would provide, i imagine, the syrian and kurdish forces this small complement of special forces is supposed to be assisting pretty lethal fire pow power were they to be used against regime armor. isis have a lot of weaponry they have taken from the iraqi and syrian military as well. the f-15s adding to the complements of other coalition aircraft working out of turkey as well. that clearly shows the turkish are on board with this increase of american posturing, which would have to be the case, too. one thing strikes me about the timing of this announcement, slap in the middle of the sensitive talks in vienna, clearly showing the united states will not sit on their back heels and await a diplomatic outcome. russians made it quite clear, do not send troops into syria, the message to washington. this is washington's response. these special forces, small in