It's another very big national security news day. Here are just a few of the headlines from today's complete Open Source Report:

• Blinken Postpones China Trip as Chinese Spy Balloon Loiters in US Airspace
• Ukrainian Intelligence Official Says Putin Orders Military to Launch Major New Offensive
• China's Military Publicly Reveals Capabilities of Hypersonic Anti-Ship Missiles for the First Time.

We're also continuing our conversation with General (Ret) John Allen today in our overtime segment. Gen. Allen weighs in on the Marine Corps's role in today's world and shares his perspective on the challenges facing the US national security community from the rapid advances of technology. Don't miss the conclusion of our week-long conversation with our newest Cipher Brief expert Marine General (Ret) John Allen.