Ukraine’s surprise incursion into Russia’s Kursk Oblast over the past week is lifting some hopes for Ukrainian soldiers losing ground on the eastern front amid worsening manpower and ammunition shortages. Ukraine launched its stunning counterattack in the northeast into Russian territory 10 months into Russia’s renewed large-scale offensive across Donbas, where Kyiv’s troops are clinging on to each position at a great cost as they attempt to grind down Moscow’s offensive capabilities. “(The Kursk operation opened) a new section of the front,” said Oleksandr Maroshnyk, a 32-year-old Ukrainian s…