Would the type continue to serve the US Army for another decade or two, or is the end near for the tandem-rotor helicopter?

(RTTNews) - KBR Inc. (KBR), Tuesday announced the receipt of a five-year $229 million recompete task order to provide life cycle research and analysis for U.S. Army ... the CH-47 Chinook helicopter.

The head of the National Transportation Safety Board that is investigating the crash will appear along ... the American Airlines passenger jet and Army helicopter collided as the plane prepared ...

Helicopter routes near Reagan National airport ... Flight data uncovered early in the crash investigation showed a conflicting account of where each aircraft was flying when the accident occurred.