In this episode of The President’s Daily Brief: Russia cancels its Navy Day parade, citing vague “security concerns,” as its Black Sea Fleet continues to take major losses—from drone attacks to sunken flagships and a naval blockade that Ukraine has effectively broken without even having a navy. A disturbing new report reveals Iran-backed Houthi rebels in Yemen are training for a ground invasion of Israel, 1,200 miles away. The mission is named after Hamas’ October 7th attack. Thailand and Cambodia reach a cease-fire agreement after their deadliest border conflict in over a decade leaves dozens dead and hundreds of thousands displaced. And in today’s Back of the Brief—A major cyberattack paralyzes Aeroflot, Russia’s flagship airline, grounding over 100 flights. A Ukrainian and Belarusian hacker alliance claims responsibility.