to spiegelman or lay today as are the journeys chancellor has a side to send the tanks, if a deal has, it would come ahead of a major possible offensive by the russians as early as a strain. perspective now from john kirby, coordinator for strategic communications at the national security institute. >> admiral kirby, appreciate you joining us tonight. we know there has not been an announcement on the united states sending abrams tanks to ukraine. can you just talk, though, a little bit about what the debate has been internally about sending the abrams? there's been a lot of reporting about concerns that they're not, they're too complex, their training is too long, the type of fuel they need the spare parts are unique. is it that or is it concern that russia would see it as an escalation? >> i think, you know, with any system, particularly an advanced system that we're providing ukraine throughout the last 11 months, we have always gone through a very iterative conversation about, does it meet the needs that ukraine has on the battlefield now and in the future? and if the answer is yes