This model is in 1/700 scale. It is part of a new range in this shop of Space focused equipment. It does not require and work to finish this model. It is also sold as a set with the Milstar Satellite.
According to Wikipedia: "The Titan IV family (including the IVA and IVB) of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."
The Titan IV was the last of the Titan family of rockets. It was retired in 2005 due to its high cost of operation. The final launch (B-30) from Cape Canaveral AFS occurred on April 29, 2005, and the final launch from Vandenberg AFB occurred on October 19, 2005.
Lockheed Martin Space Systems built the Titan IVs near Denver, Colorado, under contract to the government."