Final answer:
The Navy Civil Engineer Corps was established in 1942, a consequential year in U.S. military history.
Step-by-step explanation:
The Navy Civil Engineer Corps was established in the year 1942. This milestone is significant in the context of U.S. military history as it occurred during a pivotal time when the U.S. was deeply involved in World War II. The establishment of the Civil Engineer Corps signified recognition of the importance of military engineers responsible for a variety of construction, facilities maintenance, and infrastructure projects essential for naval operations. During the same year, the U.S. Navy defeated Japan at the Battle of Midway and also began the internment of Japanese Americans.