Charles Benedict Calvert telegraph, Samuel Morse and Alfred Vail. On April 9, 1844, Morse and Vail successfully tested their device by transmitting a message from the nation's capital to the Calvert home, Riversdale. This test came 45 days before the more celebrated event when Morse sent the message "What hath God wrought?" from Washington to Baltimore, along telegraph lines that ran above the Baltimore and Ohio Railroad line near Riversdale. Calvert became president of the Prince George's County, Maryland Agricultural Society and the Maryland State Agricultural Society, and served as vice president of the United States Pomological Society. He founded the first agricultural
Short C-23 Sherpa mid-air before delivery to Iraq. The Constant Hawk aircraft were not given a military designation. On 13 June 2007, the Alenia C-27J was selected to replace the C-23 in U.S. Army service. A total of 43 C-23s were in service with the U.S. Army as of November 2008. The C-23 Sherpa was retired from the Army National Guard in January 2014. As part of the National Defense Authorization Act for Fiscal Year 2014, 8 C-23s may be transferred to the State of Alaska to operate from short rural runways for search-and-rescue and medium-lift missions. In December 2014, it was announced