The Russian armed forces are the unquestioned second strongest military power in the world. Russia has the world's largest tank fleet, the second largest aircraft fleet behind the US, and the third largest submarine fleet behind the US and China.
Proton therapy is an advanced type of radiation treatment that uses a beam of protons to deliver radiation directly to the tumor, destroying cancer cells while sparing healthy tissues. Protons enter the body with a low radiation dose, stop at the tumor, match its shape and volume or depth, and deposit the bulk of their cancer-fighting energy right at the tumor.
The treatment is being used most often in children with many cancer types, as well as in adults who have small, well-defined tumors in organs such as the prostate, brain, head, neck, bladder, lungs, or the spine. Proton therapy centers are continuing to test its use for additional cancers.