Ukraine should forget about help from the West to fight Russia and focus on 'cheap' unmanned vehicles instead, says its army chief

• Ukraine's military chief said the country must prepare for a decline in Western support.
• He said Ukraine can instead beat Russia using technology, such as drones.
• Valerii Zaluzhnyi, nicknamed the Iron General, made the comments in an op-ed for CNN. 

Ukraine's military chief, Valerii Zaluzhnyi, said that the country must prepare for a decline in Western support in its war against Russia and instead win using unmanned vehicles and other technologies.