Google DeepMind CEO Demis Hassabis. Chris Jung/NurPhoto via Getty Images UK Google DeepMind employees have voted to unionize over the company's AI military deals. The move was sparked by Google's deal with the Pentagon and its work with Israel. At least 1,000 staff tied to DeepMind's London office would be represented if successful. Employees working in Google DeepMind's UK offices have voted to unionize over concerns about the company's defense work with Israel and the Pentagon. If successful, DeepMind — which is central to Google's efforts to develop artificial intelligence — would be the first frontier AI lab to unionize. In a letter sent to management on Tuesday and seen by Business Insider, employees in the DeepMind unit requested recognition of the Communication Workers Union and Unite the Union. The vote to unionize comes days after the Pentagon confirmed it had signed deals with Google and a handful of other AI labs for classified military work.…