Sift, a Southern California startup, raised $42 million in a Series B investment round to advance its hardware sensor data analysis tools for the space industry. The company develops infrastructure that helps engineers interpret data from rockets, satellites, and defense systems controlled by artificial intelligence algorithms.

The funding will primarily support expansion of Sift's engineering workforce focused on building the foundational infrastructure layer that underpins AI-controlled space hardware. The company's tools are designed to help engineers make sense of complex sensor data generated by modern spacecraft and launch vehicles.