A radar hunter US Navy A-7E Corsairs during Operation Desert Storm in February 1991. The jet in the foreground carries an AGM-88. CORBIS/Corbis via Getty Images HARM is a powerful weapon, but not a ...

Some, like the Javelin anti-tank missile, have been relatively easy to deploy in an effective manner and have made a major difference on the battlefield. Others, like HARM, would require either ...