With Russia massing tens of thousands of troops on the Ukrainian border, the threat of an invasion appears increasingly real.

In a video call this week with Vladimir Putin, U.S. President Joe Biden reiterated Washington's support for Ukraine, rebuffed Putin's demands that NATO membership be taken off the table, and threatened severe economic sanctions -- and possibly other measures -- if Russia invades.

Ukraine has been living with a low-intensity war in the Donbas for eight years. But what may be coming is something qualitatively different. How does the crisis look from inside Ukraine? And how prepared are the Ukrainian armed forces to resist a full-scale Russian invasion?

On The Power Vertical Podcast this week, host Brian Whitmore speaks to former Ukrainian Defense Minister Andriy Zagorodniuk, director of the Center for Defense Strategies, and Volodymyr Dubovyk, an associate professor in the Faculty of International Relations at Mechnikov National University in Odessa and director of its Center for International Studies. Enjoy…