Following the initial Martian invasion of England, President Theodore Roosevelt tries to prepare the United States for the potential of another Martian incursion. As the possibility of a stronger invasion is increasingly clear, the US government tries to mobilize nations to share information and technology to defend humanity. Newly minted ordinance officer Andrew Comstock has been placed in charge of developing new technology that has to be tested on the fly in a race against time if humanity is to survive.

For years, while Iran and North Korea kept Western diplomats busy, China and Russia have been quietly seeding the US with spies and soldiers. Now, a silent army of occupation lurks inside US borders, and for America, it is already too late. When the assault begins—via an EMP strike that disables the US electrical grid and neutralizes her defenses all in one fell swoop—the US is caught completely unprepared. The nation is lost, and it is up to ordinary citizens to defend their cities, towns, neighborhoods, or even just their families.

On their way to fight in the Mexican-American War, a group of American soldiers are swept away to a strange and deadly alternate Earth in this thrilling new adventure set in the world of the New York Times best-selling Destroyermen series.

The Unites States and China vie for supremacy in the international marketplace as China seeks to become the global leader. A pandemic sweeping across the world send the markets spiraling into chaos, increasing the tension between the two superpowers. Armed conflict needs only a spark. Will China’s attempt to expand their territories into the South China Sea be the trigger that plunges the two mighty nations past the rhetoric and into a shooting war?

On a hot July day on the plains of Kansas, a US Army mechanized infantry company from the First Infantry Division gets a very vague warning order, and the young troopers saddle up on their steel beasts to go try to control "civil unrest".