 Complete the following phrase:  These experiences eventually led the Royal Woolwich Arsenal to start a military rocket research and development program in 1801, based on the Mysorean technology. Several rocket cases were collected from Mysore and sent to Britain for analysis. Their first demonstration of solid-fuel rockets came in 1805 and was followed by publication of A Concise Account of the Origin and Progress of the Rocket System in 1807 by William Congreve, son of the arsenals commandant. Congreve rockets were systematically used by the British during the Napoleonic Wars and the War of 1812. They were also used in the 1814 