It highlights the significance of four-sided box beam construction for strength and rigidity, demonstrating how this design allows aircraft and vehicles to withstand heavy loads and stresses.

First deployed in 2003, the Clipper is equipped with a crew rest ... to replace the aging fleet of C-137 aircraft for U.S. combatant commanders. The C-40B is designed to be an "office in the ...

One of a number of recordings made from Foynes, County Limerick, ahead of a transatlantic flight by the seaplane 'The Yankee Clipper'. W.A. Beers provides commentary on the departure of the plane.