Ukraine's shock invasion of Russia shows it can pull off complex, surprise attacks even on a modern battlefield where something's usually watching
- Ukraine launched a surprise offensive into Russia's Kursk region earlier this week.
- Details are murky, and how successful Ukraine's invasion will be remains unclear.
- But the operation shows Ukriane can pull off a surprise even on a constantly surveilled battlefield.
Ukrainian forces are continuing a shocking offensive into the Kursk region of Russia.