Google CEO Sundar Pichai. Prakash Singh/Bloomberg via Getty Images A Google employee said he's "ashamed" after the company signed a Pentagon defense deal. "I'm speechless at Google signing a deal to use our AI models for classified tasks," Andreas Kirsch said. Google told Business Insider the agreement was an amendment to an existing contract. A Google DeepMind employee said that he was "incredibly ashamed" to be a researcher at the company after it signed a deal with the Pentagon for classified operations. "I'm speechless at Google signing a deal to use our AI models for classified tasks. Frankly, it is shameful," Andreas Kirsch, a research scientist at Google DeepMind working on AI, wrote in a Tuesday post on X . Kirsch cited a Monday report from The Information that Google had signed a deal allowing the Department of Defense to use its AI technology in classified settings.…