Boeing's Apaches achieve 5 mln flight hours

SAN FRANCISCO, March 2 (Xinhua) -- Boeing announced on Thursday that the U.S. Army's AH-64 Apache attack helicopters, built by the company in Arizona, have officially reached five million flight hours.

The accomplishment is equivalent to flying nonstop for more than 208,333 days, or 570 years and nine months, the company said.