It is important for every country to spend money on their armies. Armies keeps the nations safe and it needs to be updated for posed threats. For example US drones, drones strike is effective and also keeps real soldeirs from getting hurt on dangerous grounds. So army budget is must for every country because its make them stronger and safer.
Military spending of all countries has gotten out of control. The amount of money spent on military projects every year is enough to feed, house, and cloth every person on the earth. The US Government spends billions of dollars on airplanes and the parts for those airplanes, which never see active use.