Watch Shadow in the Cloud (2020) online

Shadow in the Cloud, directed by Roseanne Liang, tells the story of Maude Garrett (Chloë Grace Moretz), a mechanical engineer belonging to the Women’s Auxiliary Air Force, who had to carry out an arduous aerial mission during the Second World War. The young woman is assigned a top secret cargo aboard a B-17 to be transported in the midst of the fighting in the Pacific.
The male crew, however, decides to confine her to the lower turret of the bomber. This is where Maude learns that another unwanted passenger is also aboard the plane, a dark presence that will endanger their lives and the mission itself.