For a couple of years, Italy has been leasing a Gulfstream III configured for SIGINT duties from Lockheed Martin. Defense News reported that a new lease will be in force till spring of 2016.
Photo: Lockheed Martin
Italy started leasing the Lockheed Martin testbed, known as Airborne Multi-INT Laboratory, back in 2012. Although the country has a requirement for such an aircraft, no funds were found to buy an aircraft.