Progress is evident in the Constellation Program as the first section of a tower is secured to a new mobile launcher.

Progress is evident in the Constellation Program at NASA's Kennedy Space Center in Florida, as the first section of a tower is secured to a new mobile launcher, or ML.

The tower of the mobile launcher will have multiple platforms for personnel access and will be approximately 345 feet tall. The launcher is being built at the mobile launcher park site area located north of Kennedy's Vehicle Assembly Building to support the Ares I rocket. The ML will provide a base to launch the Ares I which will transport the Orion crew exploration vehicle, its crew and cargo to low Earth orbit. The base is being made lighter than space shuttle mobile launcher platforms so the crawler-transporter can pick up the heavier load of the tower and taller rocket. Photo credit: NASA/Jack Pfaller