During a July 31 cabinet meeting at Camp David, President Trump stated that the United States has not agreed to allow Ukraine to build Patriot missiles, that talks remain ongoing, and that transferring such technology is difficult because recipients could eventually turn against the United States. He referenced a prior suggestion at a NATO summit in Turkey and recent White House meetings with Ukrainian President Volodymyr Zelenskiy. Ukraine faces chronic shortages of Patriots, its only system capable of intercepting ballistic missiles.