Eager to turn the page from questions about his mental fitness, President Joe Biden on Tuesday officially opened NATO’s Washington Summit by announcing what he called a “historic donation” of critical new air defense capabilities to bolster Ukraine’s fight against Russia.

“Putin wants nothing less — nothing less than Ukraine’s total subjugation, to end Ukraine’s democracy, to destroy Ukraine’s culture and to wipe Ukraine off the map and we know Putin won’t stop at Ukraine,” Biden declared. “But make no mistake Ukraine can and will stop Putin.”

The commitments Biden outlined include four Patriot anti-missile batteries; the U.S., Germany and Romania will supply one each, and the fourth will be cobbled together from components provided by the Netherland and other NATO members, according to a statement from the countries.

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