In an alternate timeline where Edith Keeler did not die in an automobile mishap, the Raumwaffe was the primary military space force of the Interstellar Axis during the 21st, 22nd, 23rd and 24th centuries. Like its primary timeline counterpart, the Raumwaffe was allowing to spread across many sectors of the Alpha and Beta Quadrants. (Last Unicorn RPG module: All Our Yesterdays: The Time Travel Sourcebook)
History and specifics[]
In the 21st century, Interstellar Axis blossomed when sleeper ships of the Raumwaffe overran Alpha Centauri, assimilated their technology to develop warp drive, and began conquering neighboring systems Tau Ceti and Capella.