NATO countries can specifically be coordinated this week and month in a timely manner to get tanks to Ukraine.
And allow Ukraine to repel Putin and Russian invaders this month.
NATO can coordinate high tank volume countries in its range to do this as follows:
Turkey, Italy, Greece and Romania. They all have plenty of tanks to spare and can get them in a deal via NATO or otherwise appropriate to Ukraine quickly enough.
As part of their obligations to NATO, Ukraine, the free world and their own nations most importantly.
There will be no European continent for them otherwise and they know it as part of this: