Sitrep looks behind the headlines of a huge leak of top secret US documents, including on suggesting 50 British special forces troops have been on the ground in Ukraine.

Professor Michael Clarke will assess the damage from the leaks, and explain the official ‘health warnings’ on what’s been revealed.

Ukraine doesn’t just want western fighter jets, it also wants veteran fighter pilots to join its fight. Decorated US Lt Colonel Dan ‘Two Dogs’ Hampton tells us why he wants to sign up.

And we assess America’s new military foothold in Asia, because ‘China has scared the living daylights’ out of the Philippines.