A Ukrainian serviceman adjusts artillery fire, Kharkiv Region, northeastern Ukraine, July 28, 2022. Australia, Canada and the US have sent more than 100 M777 howitzers and 300,000 rounds of 155mm ammunition to Ukraine. The range of the M777 is similar to Russia's Giatsint-B howitzer, and much longer than Russia's D-30 towed gun. Photo by Vyacheslav Madiyevskyy/Ukrinform/ABACAPRESS.COM