I believe you are incorrect about the US Army’s percent of the federal budget. Total defense spending (all branches) represents around 15% of the budget.
Ah, great catch! I’m admittedly nowhere near an expert in this regard. I was looking at the US Discretionary spending budget, and mistakenly thought that was representative of the total budget
Source: https://en.wikipedia.org/wiki/Expenditures_in_the_United_Sta...