Yes and no. A lot of it is the function that the National Defense Authorization Act has passed some 65+ years in a row in Congress and you won't find another authorization bill that is likely going to pass every year. So if you want something to be done, get DoD to do it in the NDAA. Then again, DoD should pay for medical research for diseases, illnesses, and injuries that are prevalent in military members veterans (This is also budgetary blackhole, of endless ways to spend money, but the dollars are very significant in terms of making an impact for these specific diseases. As a result you get research lists like that of the appropriately named Congressionally Directed Medical Research Program. As others have pointed out, there are also a lot of controls on DoD dollars in terms of Buy American provisions, so money is [generally] going into DoD for procurement or research tends to stay in American companies or American institutions.

Is it too much. Possibly, but it's not all bombs and bullets.