An engineer is someone who practices the profession of engineering. Engineers use creativity, technology, and scientific knowledge to solve practical problems. The title "engineer" is normally used only by individuals who have an academic degree (or equivalent work experience) in one of the engineering disciplines. In some countries of Continental Europe the title is limited by law to people with an engineering degree, and the use of the title by others (even persons with equivalent work experience) is illegal. Similar laws exist in most if not all American states and Canadian provinces; they usually dictate that only those who have passed the Professional Engineer examination may call themselves engineers. However, the reach of such laws is often limited to cover only situations involving intentional deceit or fraud. The word "technologist" is sometimes used synonymously as it derives from the prefix Techno- and the suffix -ologist, hence, someone who studies technology. This applies particularly to those European countries with laws regulating the use of the title engineer, since the term technologist is not regulated. However in some Latin countries, "technologist" is a somewhat lower certification at a level between technician and engineer.
Engineers and scientists are often confused in the minds of the general public. While scientists explore nature in order to discover general principles, engineers apply established principles drawn from mathematics and science in order to develop economical solutions to technical problems. The work of engineers is the link between perceived social needs and commercial applications. Engineers consider many factors when developing a new product. For example, in developing an industrial robot, engineers precisely specify the functional requirements; design and test the robot’s components; integrate the components to produce the final design; and evaluate the design’s overall effectiveness, cost, reliability, and safety. This process applies to the development of many different products, such as chemicals, computers, engines, aircraft, and toys.
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Army Corps of Engineers :: Major Commands

130th Engineer Brigade - Organization, history, photos, subordinate units, brigade news and contact information.
14th Engineer Battalion (Combat) - Command, history, photos, subordinate units, and contact information.
Meta Description: [ The 14th Engineer Battalion is the only remaining active duty wheeled engineer unit in the U.S. Army ]
169th Engineer Battalion - History, training and subordinate units.
1st Engineer Battalion - The oldest engineer battalion in the U.S. Army. History, campaigns and points of contact.
1st Engineer Brigade - The mission of the brigade is to train soldiers, leaders and units, to support training and to support contingency and emergency response operations. History, command, contact information and subordinate units.
278th Engineer Combat Battalion - History, pictures, and reunion news.
Meta Description: [ 278th Engineer Combat Battalion: History in WW2 ]
307th Engineer Battalion - Command and staff, history, subordinate units and photo album.
326th Engineer Battalion - History and unit points of contact.
35th Engineer Battalion - Command, history, lineage and honors, and subordinate units.
554th Engineer Battalion - Command, history, information on training provided and an alumni page.
555th Engineer Group - Group deploys worldwide and provides support and sustainment to the Group's Command and Control elements. Command, history, contact information and subordinate units.
577th Engineer Battalion - Command, history, campaigns, newsletter and subordinate units.
5th Engineer Battalion - Command and subordinate units.
835th Engineer Aviation Battalion - A Place for WWII Veterans who served with the 835th Engineer Aviation Battalion.
858th Engineer Aviation Battalion - The 858th Engineer Aviation Battalion was the first to go to China and work on the Burma Roadas well as the only Black Battalion in all of the China Theater during World War II.
864th Engineer Battalion - Conducts general engineering operations in support of army operations. History, command, contact information, subordinate units, photos, and veterans contact page.
937th Engineer Group - On order, the Group deploys, establishes command and control of assigned forces, and conducts mobility, survivability and sustainment engineering operations in support of worldwide contingency operations, while protecting and sustaining the force. History, command, and subordinate.
Engineer Mottos - A collection of US Army Engineer unit mottos
History of Air Force Civil Engineering - The history of civil engineering units that have supported or are part of the US Air Force. Includes airfield construction.
IX Engineer Command - Site is dedicated to the men of the IX Engineer Command who built and maintained airfields in England and on the European continent in support of the Allied forces during World War II.
Meta Description: [ The IX Engineer Command was responsible for the building, defending and maintaining of close air support and evacuation airfields during the European campaign in World War II. ]
VI Corps Combat Engineers - This site features information regarding the 36th, 39th and 540th Combat Engineers, who bravely fought against the Axis powers from North Africa into Sicily, Italy, France, Central Europe and ended their tour of duty in Germany in 1945.
Meta Description: [ VI Corps Combat Engineers of WWII - 36th, 39th and 540th Engineer Combat Regiments ]
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