CAPE CANAVERAL, Fla. - At Cape Canaveral Air Force Station in Florida, the SpaceX Falcon 9 rocket stands on the launch pad at Launch Complex 40, awaiting a test firing of the vehicle's nine Merlin first-stage engines. The test is part of prelaunch preparations for the upcoming SpaceX 2 mission. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - At Cape Canaveral Air Force Station in Florida, the SpaceX Falcon 9 rocket approaches the launch pad at Launch Complex 40 for a test firing of the vehicle's nine Merlin first-stage engines. The test is part of prelaunch preparations for the upcoming SpaceX 2 mission. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - Flanked by lightning protection catenary towers at Launch Complex 40, the SpaceX Falcon 9 rocket, topped by the Dragon spacecraft, awaits a test firing of the vehicle's nine Merlin first-stage engines. The test is part of SpaceX 2 prelaunch preparations at Cape Canaveral Air Force Station in Florida. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - The SpaceX Falcon 9 rocket remains standing on Launch Complex 40 at Cape Canaveral Air Force Station in Florida following a test firing of the vehicle's nine Merlin first-stage engines. The test is part of SpaceX 2 prelaunch preparations. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - The SpaceX Falcon 9 rocket moves away from the company's Falcon Hangar at Launch Complex 40 on Cape Canaveral Air Force Station in Florida. The rocket is rolling to the launch pad for a test firing of its nine Merlin first-stage engines in preparation for the SpaceX 2 launch. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - Smoke billows from the SpaceX Falcon 9 rocket's nine first-stage Merlin engines during a test firing at Launch Complex 40 at Cape Canaveral Air Force Station in Florida. The test is part of SpaceX 2 prelaunch preparations. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - Smoke billows from the SpaceX Falcon 9 rocket's nine first-stage Merlin engines during a test firing at Launch Complex 40 at Cape Canaveral Air Force Station in Florida. The test is part of SpaceX 2 prelaunch preparations. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - At Cape Canaveral Air Force Station in Florida, the SpaceX Falcon 9 rocket stands on the launch pad at Launch Complex 40, awaiting a test firing of the vehicle's nine Merlin first-stage engines. The test is part of prelaunch preparations for the upcoming SpaceX 2 mission. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - At Cape Canaveral Air Force Station in Florida, the SpaceX Falcon 9 rocket has been raised to vertical on the launch pad at Launch Complex 40, awaiting a test firing of the vehicle's nine Merlin first-stage engines. The test is part of prelaunch preparations for the upcoming SpaceX 2 mission. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - The SpaceX Falcon 9 rocket, topped by the Dragon spacecraft, awaits a test firing of the vehicle's nine Merlin first-stage engines at Launch Complex 40 at Cape Canaveral Air Force Station in Florida. The test is part of SpaceX 2 prelaunch preparations. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - The SpaceX Falcon 9 rocket begins its early morning move out of the company's Falcon Hangar at Launch Complex 40 on Cape Canaveral Air Force Station in Florida. Topped by the Dragon spacecraft, the rocket is rolling to the launch pad for a test firing of its nine Merlin first-stage engines in preparation for the SpaceX 2 launch. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - The SpaceX Falcon 9 rocket moves out of the company's Falcon Hangar at Launch Complex 40 on Cape Canaveral Air Force Station in Florida. The rocket is rolling to the launch pad for a test firing of its nine Merlin first-stage engines in preparation for the SpaceX 2 launch. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Frankie Martin

CAPE CANAVERAL, Fla. - The gantry-like strongback structure at Launch Complex 40 has been lowered prior to a test firing of the SpaceX Falcon 9 rocket's nine Merlin first-stage engines. The test is part of SpaceX 2 prelaunch preparations at Cape Canaveral Air Force Station in Florida. Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft is planned for March 1, 2013, at 10:10 a.m. EST, from Space Launch Complex-40 at Cape Canaveral Air Force Station, Fla. Dragon will be making its third trip to the space station. It will carry supplies and experiments to the orbiting laboratory. The mission is the second of 12 SpaceX flights contracted by NASA to resupply the space station. For more information, visit http:__www.nasa.gov_mission_pages_station_structure_launch_spacex2-feature.html Photo credit: NASA_Jim Grossmann