USAF E-6 Mercury ( Credits- Wikimedia Commons / USAF) United States Air force has many types of Aircrafts. But one of the least known but one of the deadliest is the E-6B Mercury, which acts as a command post in the event of a nuclear attack, tasked with communicating with launch platforms including submarines. The National Interest has an interesting article on this amazing bird. (To read the article, click here ........)