The UK’s first sovereign military satellite, Tyche, is now in orbit. It’s the first piece of a planned constellation of intelligence, surveillance and reconnaissance orbiters, at a cost approaching one billion pounds.

Former Royal Navy officer Darren Jones, from Tyche’s manufacturer, explains what capability it can offer the Armed Forces, while Professor Michael Clarke and Juliana Suess from RUSI discuss the value of spending in space from a hard-pressed defence budget.

Three years since Afghanistan fell, once again, to the Taliban, Sitrep hears one Afghan commando’s story of trying to fight back and eventually escaping.

And former submarine captain Ryan Ramsay shares the moment that made him, while serving on exchange with the US Navy.

The UK joins the military space race