 As a technical adviser with Ford in 1942, he was heavily involved in troubleshooting early problems at the [[Willow Run]] [[Consolidated B-24 Liberator]] bomber production line.As B-24 production smoothed out, he joined [[United Aircraft]] in 1943 as an engineering consultant, devoting most of his time to its [[Chance-Vought|Chance-Vought Division]].The following year, Lindbergh persuaded United Aircraft to send him as a technical representative to the [[Pacific War|Pacific Theater]] to study aircraft performance under combat conditions.