UK personnel have been put through their paces with defensive operations and counter-attacks alongside eight NATO allies on Exercise Iron Wolf in Lithuania.
More than 3,500 troops were deployed to test the capabilities of the Lithuanian Army's Iron Wolf Brigade.
Britain's allies on the exercise include a German-led NATO battlegroup based in Lithuania, as well as a US Army battalion assigned to the country.
Soldiers from Belgium, Czechia (formerly the Czech Republic), Luxembourg, the Netherlands and Norway also took part in the drills, at Pabrade Training Ground from 17 to 30 October.
Lithuania's President and King Philippe of Belgium visited the exercise on Distinguished Visitors (DV) Day.