View of a man, stepping over railroad tracks as he carries a shovel of rocky earth. A 1940 Ford sedan drives along a road and past the camera. View of several men with shovels on a rail line in a ditch down below the road level. View from the rail line, to ledge above. Men wielding picks and shovels to clear walls of earth and stone and provide greater space along the rail line. Some workers wear bandanas over their faces to protect from the powdery earth. A supervisor standing with them wears a first aid kit on his hip. It is labeled "USNYA." U.S. Army troops in trucks drive along a main street, followed by a large caterpillar tractor, as local citizens watch from the sides of the road. Sign on chain link fence displays Army Air Forces logo and identifies Losey Field. Trucks roll past behind the fence. Men continuing work loading sandy soil into wheel barrows and dumping it to side of the work area. Local young boys, watching the activity, laugh when they realize they are being photographed. License plate on truck, with National Defense sign affixed above it. The truck is filled with young men workers, who climb down and walk along a road, carrying tools over their shoulders. Two of them are seen chopping at the base of an obstacle with picks. Workers walking in and out of airfield gate and trucks driving through, as a flight of three Army Air Forces P-36 aircraft fly overhead
Officials dressed in white business suits, march, flanked by American flags,in a parade for the National Youth Administration, past the Captiol Building in San Juan, Puerto Rico. They are followed by youth in black overalls, shouldering spades. Behind them march girls, carrying a banner reading: "NYA, Caguas Proyecto." A truck comes next, displaying a large poster in its rear reading: "NYA for Puerto Rico, Puerto Rico Leads the way," amd listing various NYA youth projects in Puerto Rico. Youth carrying N.Y.A. banners and American flags come next, followed by more young men carrying spades. Youthful firemen stand beside reels of hoses and a sign reading: "Bomberos de Guayama." An official pins a badge on the lapel of a man being honored. Next, a fireman, and two youth demonstrate by spraying water from their hose along the street. Remainder of the film is a montage of views. Scene shifts to the harbor, where two U.S. Clemson class destroyers are seen. Then boys are seen playing on a beach. A closeup of a young woman. Closeups of several of the youthful firemen previously seen. Several youth with spades, seen from the rear. An American flag wafting in a breeze.
Opening scene shows a young girl with her hair blowing in a windy spot, and the dome of the Puerto Rican Capitol building visible behind her. Passengers ride in a wooden bodied station wagon, down a steep inclined street. As they pass a local policeman, their tailgate is seen to be filled with bananas and plantains. A large church complex tucked into a valley with hills in background. Another church halfway up a hill overlooking a town. A significant big city church with parishioners on its steps. An ancient historic-looking abandoned church building. Sign at a church reading: "St. John. Fire Baptized Holiness Church of God of the Americas." Another church sign (name of church not visible) stating: "Built 1882;" and announcing schedule of services. Cars driving past what may be a mosque. Cover of a book entitled: " Poesía Puertorriqueña." (Puerto Rican Poetry). Park-like setting of University of Puerto Rico, with a complex of buildings across the street, including the university clock tower. A girl paging through a large book. She pauses and laughs. A shelf of books in the university library, with titles including: Books of Leonardo da Vinci; Babes in the Darkling Wood by HG Wells; Abraham Lincoln, the War Years, by Carl Sandburg; and numerous other significant literary works. A newspaper boy runs past a girl on a sidewalk, carrying an armload of books.
Supervisor is seen speaking to workers at a construction site. Several men lean on shovels. Scene shifts to porch of a building displaying sign identifying it as belonging to the National Maritime Union of the CIO. Two men stand on the porch and a large American flag is displayed. In downtown area, a sign on a porch reads: "Comitelocal Union Republikana" (Local Union Republican Committee). A flag fluttering in the breeze contains words: "Pan-Tierra-Libertad." Glimpse of the Puerto Rico Capitol Building with American flag at front. View of Port of San Juan from airplane flying over waterfront. Another view, from the street, of the Capitol building. Glimpse of wooden ships in harbor. Sign on building reading: "Consulado del Uruguay."
Cattle pulls his plow as a farmer plows his field in Puerto Rico. Man loads sugar cane into a truck. The S.S. Catherine is docked at a passenger terminal. (She makes overnight runs between San Juan, Puerto Rico, and St. Thomas, the U.S. Virgin Islands.) Men are seen moving about on the wharf, where some cargo is sitting. . View of farms. A small tugboat pulls a heavily laden barge in coastal waters. A sign reads 'god bless America'. New cars are seen on the docks. Some are covered with cloth covers. Cars of the era are parked at the curb near a sidewalk. Aerial views from an airplane flying over the coastline. Views of Fort San Felipe del Morro from the air.
American military capabilities on display in Puerto Rico. American artillery troops parade at the Henry Barracks, home to the 2nd Battalion, 25th Field Artillery Regiment. Military trucks pull artillery guns over mountain roads. Range finders give coordinates to the artillery crew. Artillery guns being fired. U.S. pilots parade on the newly-built Borinquen Army Airfield, home to the 27th Bombardment Squadron,and elements of the 25th Bombardment Group, equipped with B-18A aircraft. B-18 bombers take off from the airbase. Aerial view from above a formation of B-18s flying over the city of San Juan in Puerto Rico.