Produce a long descriptive sentence that uses all these words: United States, capital, Washington, D.C.; Atlas II, countryOrigin, United States; United States, ethnicGroup, African Americans; Atlas II, launchSite, Vandenberg Air Force Base; Vandenberg Air Force Base, location, Lompoc, California
The Atlas II, which was launched from Vandenberg Air Force Base located in Lompoc, California, originates from the United States. The capital of the United States is Washington, D.C. and one of its ethnic groups is African Americans.