Launch Photos: Classified US Spy Satellite Blasts Off on Atlas 5 Rocket

United Launch Alliance Awaits Atlas V Liftoff

United Launch Alliance

The United Launch Alliance Atlas V rocket located at Vandenberg Air Force Base, Calif., preps for NRO's NROL-39 mission launch. [Read the Full Launch Story Here]

United Launch Alliance Preps for Atlas V Liftoff

United Launch Alliance

This image shows the mobile service tower rolling back from a United Launch Alliance Atlas V rocket at Space Launch Complex-3 at Vandenberg Air Force Base, Calif., in preparation to launch the NRO's NROL-39 mission. [Read the Full Launch Story Here]

Mobile Service Tower Rolls Back

United Launch Alliance

he mobile service tower is seen in this image rolling back from a United Launch Alliance Atlas V rocket at Space Launch Complex-3 at Vandenberg Air Force Base, Calif., in preparation to launch the NRO's NROL-39 mission. [Read the Full Launch Story Here]

United Launch Alliance Atlas V Rocket Up Close

United Launch Alliance

The United Launch Alliance Atlas V rocket is seen up close at Space Launch Complex-3 at Vandenberg Air Force Base, Calif., in preparation to launch the NRO's NROL-39 mission. [Read the Full Launch Story Here]

NROL-39 Payload Mated to Atlas V Booster

United Launch Alliance

In preparation for launch, the NROL-39 payload, encapsulated within a 5-meter diameter payload faring, is transported and mated to its United Launch Alliance (ULA) Atlas V booster at Vandenberg's Space Launch Complex-3. [Read the Full Launch Story Here]

NROL-39 Payload Transported to Atlas V Booster

United Launch Alliance

This image shows the NROL-39 payload, encapsulated within a 5-meter diameter payload faring, as it is transported and mated to its United Launch Alliance (ULA) Atlas V booster at Vandenberg's Space Launch Complex-3. [Read the Full Launch Story Here]

NROL-39 Payload Heads to Atlas V Booster

United Launch Alliance

This image shows the NROL-39 payload, encapsulated within a 5-meter diameter payload faring, as it is makes its way to the United Launch Alliance (ULA) Atlas V booster at Vandenberg's Space Launch Complex-3. [Read the Full Launch Story Here]

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Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.