Decreasing our involvement overseas is vastly different than updating our military. I personally don't believe the US should be the police of the world and we certainly shouldn't be footing the bill (or most of it) every time something happens and NATO wants to get involved. We spend a large amount of money being the police and it is time we scale that back and turn to our own issues. I agree completely with this.

I also agree we need to continue to invest in our military and new technology. A strong military is what keeps other countries from threatening our way of life. Especially in today's day and age when North Korea has active nuclear weapons (and others), it is in our best interest to make sure we stay ahead of the technology curve or we will pay the price. 

By decreasing our military, you only increase the exposure for the loss of civilian life in the event of an all out war with some dictator with nuclear weapons. Then again, pearl harbor took everyone by surprise too.....