The entire US military budget is approximately $800B. The first clause of your sentence is factually incorrect; the second is a non sequitur.
2) Non sequitur? You really believe that spending on war technology (War as in kill-humans-we-dont-like-department) is in no clear way in opposition to spending on health technology? (health as in lets-make-everything-possible-to-make-humans-not-die-department)
https://www.usaspending.gov/explorer/budget_function
Here's what the whitehouse thinks it is, https://www.whitehouse.gov/wp-content/uploads/2023/03/budget... (page 63)