He wrote this on the social platform X."I saw firsthand how Ukrainian-made drones are being built and developed. Incredible innovation, especially with drones," Kellogg wrote.He said that in “this new age/type of war, they [Ukrainians – ed.] lead.”Kellogg said the speed of innovation in Ukraine, along with its ability to rebuild, is impressive."Our defense industrial base should take notice and adapt," Kellogg added.On July 14, U.S. President Donald Trump’s special representative, Keith Kellogg, arrived in Ukraine for a visit. In Kyiv, he met with President Volodymyr Zelenskyy, Defense Minister Rustem Umerov, Commander-in-Chief Oleksandr Syrskyi, Head of HUR Kyrylo Budanov, and other Ukrainian military officials.