The term "royal engineers" refers to a specific branch of the military that focuses on engineering tasks like building bridges, roads, and buildings. Some synonyms for this term include "engineering corps," "military engineers," and "combat engineers." These terms all refer to professionals who have expertise in engineering and who work specifically within the military. Whether they are building infrastructure in times of peace, or fortifying locations in times of conflict, these professionals are skilled at using engineering principles to overcome problems and obstacles. From controlling waterways to repairing damage caused by enemy attacks, the work of the royal engineers is vital to the success of any military campaign.