Only question we have to think of, how can we protect the tanks? Not to, replace the tanks. No one came of the idea, to replace fighter jets, because of SAM.
Most important job of our government is the update the customer union with EU. If this will not happen this year, we have to send Mio‘s of refugee to EU.
Against Russia. As far as Ukraine will exist as a sovereign state. Which is not likely that Ukraine will last that long. At least 5 years, before Ukraine will ever get Kaan fighter. Not to mention that US will intervene any purchase of Turkish fighter jet. With Western Money.