We're back live to catch up on all your maritime and natsec issues bubbling to the surface this summer. From the migrant crisis in the Med, Russians in the high north, to the infrastructure crunch in the Pacific - we'll cover it all.

This is also your time to have us address the topics you find of interest. We're taking calls and questions in the chat room. It's a live show ... so now's your chance.

Open phone, open topic, all you need to bring is an open mind.