Scott Lewis

This 1964 cover features several novel-shaped elementary schools in Greeley, Colo. The buildings’ distinctive circular and hexagonal designs offered flexibility in the use of space.

Military necessity has often driven engineers and construction teams to innovate.

This 1967 cover photo depicts construction of the Nagarjunasagar Dam in India.

The most extensive Cold War construction undertaken by the United States was building an elaborate network of missile bases. The first U.S. intercontinental ballistic missile was the Atlas, a 75-ft-long, 10-ft-dia, 130-ton weapon.

This August 1938 cover photo shows workers atop a huge steel member of the cable tieback system during the erection of the Arrigoni Bridge over the Connecticut River between Middletown and Portland, Conn.

This 1933 cover photo shows workers maneuvering a bomb into position on a platform in San Francisco Bay, at a very early stage of the Golden Gate Bridge project.

Coping with the titanic force of America’s largest river is one of the U.S. Army Corps of Engineers’ perpetual responsibilities.

This June 1944 cover image shows a Navy Seabee driving a bulldozer out from the hold of a landing craft onto the beach of an unnamed Pacific island.

Bulldozers come first. This slogan crystallizes the role that engineering and construction played in World War II, where combatants were far more mobile than in previous conflicts.

This 1944 cover image is one of the first photos to be published of a Bailey Bridge, a piece of equipment that proved invaluable to the Allies in World War II, and has since gone into wide use globally.