They aren't uniformed, but these US companies are fighting for Ukraine

This summer, Microsoft announced that “it will extend its provision of technology support to Ukraine through the end of 2027,” providing technology, cybersecurity support, and other assistance to "help Ukraine maintain essential digital services during the war.” Not only U.S. weapons, but a host of U.S. tech companies have gone to war in Ukraine. This includes PayPal, now one of the biggest multinational online payment systems in the world, which got into the act, cutting off access to all Russi

Source: Responsible Statecraft