Ukraine has expanded its deep strike campaign against russian military infrastructure, with reports of increased drone strikes targeting locations far from the front lines. The targets of these strikes have included key infrastructure such as bridges, oil refineries, and defense industry sites, with some reports indicating that strikes have reached as far as 2,000 to 3,000 kilometers into russian territory. However, the exact timing and scope of the campaign are unclear, with some reports referencing april and others referencing june.