Five Most Secret Military Aircraft
Shortly after midnight on 1 May, 2011 two unusual helicopters carrying 25 U.S. Navy SEALS descended on Osama bin Laden’s compound in Abbotabad, Pakistan. The heavily modified Sikorsky UH-60 Black Hawk helicopters were able to fly 200 km undetected from the Afghanistan border with neighbors reporting that they didn’t hear the helicopters until they were directly overhead. Their existence might have remained secret had one of the helicopters not crash landed on the wall of the compound. U. S. forces destroyed the crashed black Hawk with explosives, but a portion of the tail section survived. Revealing top secret stealth modifications stemming from a program that has supposedly been discontinued in 2006.