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

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

A Ukrainian serviceman attends to ammunition, 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

A Ukrainian serviceman attends to ammunition, 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

A Ukrainian serviceman attends to ammunition, 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

A Ukrainian serviceman attends to ammunition, 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

A Ukrainian serviceman browses a smartphone, 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

A Ukrainian serviceman covers ammunition with a camouflage net, 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

Signed shells lie on the ground at the positions of the Ukrainian Armed Forces, 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

The phrase in Ukrainian 'For Kharkiv' is written on a shell, 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

Ukrainian servicemen fire an M777 howitzer, 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

Ukrainian servicemen fire an M777 howitzer, 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

Ukrainian servicemen fire an M777 howitzer, 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

Ukrainian servicemen fire an M777 howitzer, 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

Ukrainian servicemen fire an M777 howitzer, 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