US intel shows Saudi Arabia escalated its missile program with help from China
Saudis have consistently taken the position that they need to match Iran's missile capability
The suspected sabotage of oil tankers puts the Persian Gulf on high alert
If the incident is tied to Tehran it would raise questions about whether harder-liners in Iran attempt to up the ante regionally
The highest military budgets as a % of GDP? (infographic)
Saudi Arabia is on the top of the list