US Military Launches Missile Defense Satellite (Photos)

ULA Atlas 5 Rocket Launches SBIRS GEO-2 Satellite

Pat Corkery, United Launch Alliance

A United Launch Alliance Atlas 5 rocket blasts off from Space Launch Complex-41 at Cape Canaveral Air Force Station carrying the second Space-Based Infrared System (SBIRS) GEO-2 satellite for the U.S. Air Force at 5:21 p.m. EDT on March 19, 2013.

ULA Atlas 5 Rocket Launches SBIRS GEO-2 Satellite

Pat Corkery, United Launch Alliance

A United Launch Alliance Atlas 5 rocket blasts off from Space Launch Complex-41 at Cape Canaveral Air Force Station carrying the second Space-Based Infrared System (SBIRS) GEO-2 satellite for the U.S. Air Force at 5:21 p.m. EDT on March 19, 2013.

SBIRS Geo-2 Satellite in Space

United Launch Alliance

A United Launch Alliance Atlas 5 rocket launches the SBIRS GEO-2 missile defense satellite from Cape Canaveral Air Force Station in Florida on March 19, 2013 in this still from a ULA webcast.

SBIRS GEO-2 Satellite Launch: Atlas 5 Fairing Separation

United Launch Alliance

The protective shell-like nose cone fairing separates and falls away from the Atlas 5 rocket carrying the U.S. military's SBIRS GEO-2 missile defense satellite into orbit in this rear-facing view from a camera on the rocket during its March 19, 2013 launch from Cape Canaveral, Fla.

SBIRS Geo-2 Satellite Launch Stage Separation

United Launch Alliance

A United Launch Alliance Atlas 5 rocket launches the SBIRS GEO-2 missile defense satellite from Cape Canaveral Air Force Station in Florida on March 19, 2013 in this still from a ULA webcast.

Atlas 5 Rocket Ascends with SBIRS GEO-2

United Launch Alliance

An Atlas 5 rocket streaks toward space carrying the SBIRS GEO-2 missile defense satellite on March 19, 2013, after a successful launch from Cape Canaveral Air Force Station in Florida.

Atlas 5 Launches SBIRS GEO-2: Shockwave

United Launch Alliance

A shockwave of water vapor forms at the nose of an Atlas 5 rocket as it soars into space on March 19, 2013 from Cape Canaveral Air Force Station in Florida on a mission to orbit the SBIRS GEO-2 missile defense satellite for the U.S. Air Force.

SBIRS Geo-2 Satellite Launch

United Launch Alliance

An Atlas 5 rocket launched the SBIRS GEO-2 mission from Cape Canaveral AFS on March 19, 2013.

Atlas 5 Rocket Ascends with SBIRS GEO-2

United Launch Alliance

An Atlas 5 rocket streaks toward space carrying the SBIRS GEO-2 missile defense satellite on March 19, 2013, after a successful launch from Cape Canaveral Air Force Station in Florida.

SBIRS Geo-2 Satellite Launch Viewed from Atlas 5 Rocket

United Launch Alliance

A United Launch Alliance Atlas 5 rocket launches the SBIRS GEO-2 missile defense satellite from Cape Canaveral Air Force Station in Florida on March 19, 2013 in this still from a ULA webcast.

SBIRS Geo-2 Satellite Launch

United Launch Alliance

A United Launch Alliance Atlas 5 rocket launches the SBIRS GEO-2 missile defense satellite from Cape Canaveral Air Force Station in Florida on March 19, 2013 in this still from a ULA webcast.

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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.