
While workers on the ground steady the craft with guy ropes, workers atop a high-lift truck align the mounting plates…

Workers carefully align a mounting bracket attached to an F/A-18 Hornet aircraft with the top of a pedestal in front…

An F/A-18 Hornet aircraft formerly flown by NASA's Dryden Flight Research Center, Edwards, Calif., is sandwiched between two groups of…

SOFIA Flight Crew, 2008.

Application of high-temperature strain gauges.

An engineer at AeroVironment's Design Development Center in Simi Valley, Calif., closely inspects a set of silicon solar cells for…

Technician Marshall MacCready carefully lays a panel of solar cells into place on a wing section of the Helios Prototype…

Technician Marshall MacCready carefully lays a panel of solar cells into place on a wing section of the Helios Prototype…

A technician at AeroVironment's Design Development Center in Simi Valley, Calif., checks a panel of silicon solar cells for conductivity…

Helios Prototype Flying Wing