About This File
FSX World Explorers Lewis and Clark The Lewis and Clark Expedition from May 1804 to September 1806, also known as the Corps of Discovery Expedition, was the first American expedition to cross the western portion of the United States. The Corps of Discovery was a selected group of US Army volunteers under the command of Captain Meriwether Lewis and his close friend Second Lieutenant William Clark. President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803. Requires FSX_FORD_TRIMOTOR_UPDATED.ZIP. By Nis Verkijk.