In a regular address to the people of Ukraine and the world, president Volodymyr Zelenskyy Sunday announced that the country had received a sophisticated air defense system from allies in the United States.

This marks the first time Zelenskyy has publicly remarked on their receipt of the National Advanced Surface-to-Air Missile System (NASAMS), which Washington green-lit last month.

Zelenskyy, in his relentless push to keep up morale and encourage the world to intervene, said in the address, “We absolutely need the United States to show leadership and give Ukraine the air defense systems. I want to thank President (Joe) Biden for a positive decision that has already been made. But believe me, it’s not nearly enough to cover the civilian infrastructure, schools, hospitals, universities, homes of Ukrainians.”

The upgrade in air defense support comes as Ukraine has made several offensives pushes in the country’s north, putting Russians on their heels for the first time since the start of the War and turning the tide of morale and hope.

In response, Russian President Vladimir Putin has called up a partial mobilization of draft forces, leading to massive protests across the country as young people push back against the War they never wanted.

Ukraine’s new defensive capabilities are part of what’s enraging Putin, who last week promised that countries who intervene too much could face nuclear consequences.