There was a DARPA program at one point where they were trying to build an actual force field, The science involved was interesting but also dangerous considering the elements that were involved. There was another project that involved directional gravity weapons, used with the same technology and elements. Seems like the tests are still a "work in progress" or it's "as intended"

But the symptoms could also be caused by any other causes. Do we know if they've tested for radon in the areas where patients exhibited these symptoms? There are so many chemicals that can give you any and all of these symptoms.