During the construction of SLC-46, a nearby sounding rocket complex, LC-43 was demolished. A retired single stage Japanese sounding rocket. Orion is the designation of an American sounding rocket. Malemute is the designation of an American sounding rocket. These consisted of a V-2 rocket and a WAC Corporal sounding rocket. This was the 52nd launch of a sounding rocket from TERLS. G-4 Bumper sounding rocket in 1948, that added a WAC Corporal second stage. Skylark was a British sounding rocket design. Terrier has also been used as a sounding rocket. The S-310 is an active single-stage sounding rocket. The centre became operational in 1971 when an RH-125 sounding rocket was launched. The WAC Corporal was the first sounding rocket developed in the United States. Another competitor as a sounding rocket was the Neptune, later the Viking. The schedule for sounding rocket launches from WFF is posted on its official Web site. A member of the Redstone rocket family, it was derived from the Jupiter-C sounding rocket.