Lieutenent Ward, an Australian exchange officer aboard

Lieutenent Ward, an Australian exchange officer aboard Royal Navy Type 23 frigate HMS Northumberland, keeps an eye on a tug as his ship gets underway from Reyjavik, Iceland October 22, 2018, to travel to the waters off Norway and participate in Trident Juncture 2018. With around 50,000 participants from 31 nations, Tridnet Juncutre 2018 is one of NATO's largest exercises in recent years. Around 250 aircraft, 65 ships and more than 10,000 vehicles are involved in the exercise. Photo: PO(Phot) Jim Gibson, Royal Navy Reserve.