Enlarge / The SLS rocket and Orion spacecraft are seen before the Artemis I launch. (credit: Trevor Mahlmann) A Colorado-based company, Wilson Aerospace, is suing Boeing for what it claims to be "theft" of its intellectual property. At issue is a specific tool, known as a Fluid Fitting Torque Device-3, that Wilson developed, and Boeing said it needed to attach four main engines to the Space Launch System rocket. The lawsuit was filed Tuesday in US District Court in Seattle, where Boeing was originally based.