A high-level Ukrainian delegation met with representatives of top U.S. weapons manufacturers ahead of a highly anticipated meeting between President Donald Trump and Ukrainian President Volodymyr Zelensky.

The delegation was led by the head of the Ukrainian president’s office, Andriy Yermak, the so-called “Green Cardinal,” one of the most powerful men in Ukraine. Accompanied by Prime Minister Yulia Svyrydenko, Ambassador to the U.S. Olga Stefanishyna, First Deputy Minister of Foreign Affairs Serhii Kyslytsia, and Secretary of the National Security and Defense Council Rustem Umerov, the delegation met with representatives from Lockheed Martin and Raytheon, two of the biggest U.S. weapons manufacturers.