UNIAN: Military from 5 NATO states to take part in Ukrainian-British drills By UNIAN. Published April 4, 2021. Updated April 4 at 9:51 am Ukrainian and US servicemen stand in front of US F-15 fighters during an air force exercises on Starokostyantyniv military airbase on Oct. 12, 2018. Photo by AFP Military from at least five NATO member states will take part in the Ukrainian-British exercises Cossack Mace 2021. Read more here.