How Many Ballistic Missile Submarines Are Necessary For U.S. Defense?

PBS Newshour: How many ballistic missile submarines does the U.S. really need?

The Navy's formidable fleet of nuclear-armed submarines is approaching the end of its lifespan, and there’s growing debate over how many are needed and how to pay for them. Jamie McIntyre, national security correspondent for Al Jazeera America on special assignment for the NewsHour, got a rare behind-the-scenes look at one of the most powerful weapons ever built.

WNU Editor: Does the U.S. have the money ($100 billion) to build 12 replacements for the Ohio submarine fleet .... and are these submarines really necessary ....  the debate is starting.