The Atlantic was dark, the waves high. Lieutenant Commander James Barnes of the US Navy peered through his periscope, searching for the German U-boat that had been harassing Allied convoys. Instead, he found a submarine unlike any he had ever seen—sleek, silent, and glowing with a faint blue light.
“What is it?” his executive officer whispered.
James shook his head. “I don’t know. But it’s not German.”
The submarine surfaced, its hatch opening. A figure emerged, dressed in a uniform of silver and black.
“I am Captain Elara Vance of the United Nations Temporal Corps,” she said, her