January 20, 2018 Rosie the Riveter

Following the German invasion of Poland in 1939 and the outbreak of general war in Europe, President Franklin Delano Roosevelt proclaimed a limited national emergency, authorizing an increase in Regular Army personnel to 227,000 and 235,000 for the National Guard. Strong isolationist sentiment kept the United States on the sidelines for the first two years, as victorious German armies swept across France.

That all changed on December 7, 1941, with the Japanese attack on the Pacific naval anchorage at Pearl Harbor. Seizing the opportunity, Nazi Germany declared war on the United States, four days later.

The Roosevelt administration had barely found the keys to the American war machine in February 1942, when disaster struck with the fall of Singapore, a calamity Prime Minister Winston Churchill called the “worst disaster” in British military history.

The mobilization of the American war machine was a prodigious undertaking. From that modest beginning in 1939…