Silicon Valley-based artificial intelligence startup Shield AI recently announced that its valuation has nearly doubled to $5 billion in a new funding round. The San Diego-based company focuses on developing AI-driven software for drones and autonomous aircraft, planning to raise approximately $200 million from several defense and aerospace companies, including well-known firms such as Palantir, Airbus, and L3 Harris. Venture capital firms Andreessen Horowitz, Point72, and Ri.