Depends. It's used for welding, and the output is iron (magnetic): https://www.youtube.com/watch?v=5uxsFglz2ig https://www.youtube.com/watch?v=5uxsFglz2ig I a

Depends. It's used for welding, and the output is iron (magnetic): https://www.youtube.com/watch?v=5uxsFglz2ig https://www.youtube.com/watch?v=5uxsFglz2ig I assume it would be too difficult to trigger the thermite reaction in the field with WWII tech, among other problems.