From publisher blurb:
World War Two ...
A Special Forces team in Alaska tracks down strange radio transmissions, fearing a Japanese invasion. Instead they are led to a remote island, a strange ship and time torn asunder! This mission module includes maps of a mysterious island, a thriteen deck mysterious derelict ship and full stats for the horrors and wonders included within.
The greatest generation faces horrors beyond the stars and time and more familar dangers as horror meets dieselpunk! It is fully compatible with Operation WhiteBox or other OSR games. It has a 57 page adventure book and 27 pages of maps (Referee and player versions) detailing a wrecked spaceship with additional illustrations of machinery and equipment.