A decommissioned World War II-era destroyer docked near downtown Buffalo in New York is taking on water and listing...
Sikorsky X2 High Speed Helicopter
Sikorsky's X2 high speed helicopter at AUSA, 2011. The Sikorsky X2 is an experimental compound helicopter with coaxial rotors developed by the American aircraft manufacturer Sikorsky Aircraft. It is considered to be the fastest helicopter ever produced.