As global air combat operations continue to evolve at a rate not seen for decades, what will the next generation of air-to-air weapons look like, and what missions will they need to fulfil?
With no formal competition under way, industrial partnerships, production capacity and air defence capability could all shape the programme as Denmark considers how to replace its three Iver Huitfeldt-class frigates.
The speed, manoeuvrability and endurance of destroyers are an asset to any deploying force. However, technical issues can put these formidable ships out of action, making them little more than expensive flotsam.