The Beechcraft Super King Air 300, shown in the photograph, introduces a number of new features, including "pilot" cowlings and increased chord on the centre wing at the leading edges.

The Beechcraft Super King Air 300, shown in the three-view, introduces a number of new features, including "pilot" cowlings and increased chord on the centre wing at the leading edges.

A photograph of the Sikorsky MH-53E airborne mine countermeasures helicopter in its production form and finish.

A view of the CH-53E aerodynamic prototype, showing well the enlarged, fuel-carrying sponsons.

A three-view of the Sikorsky MH-53E airborne mine countermeasures helicopter in its production form.