Space shuttle Discovery lit up the sky at sunset as it roared off Launch Pad 39A at NASA's Kennedy Space Center on its mission to the International Space Station.

The STS-119 mission is the 28th to the space station and Discovery's 36th flight. Discovery will deliver the final pair of power-generating solar array wings and the S6 truss segment.

Installation of S6 will enable the station to house a six-member crew.

Image Credit: NASA/Tony Gray, Tom Farrar