become an important function for UASs, but has been restricted to larger platforms like the RQ-4 Global Hawk or RQ-21 Blackjack. Being certified for 'Secret' classification and at just (measuring 3 in × 5.3 in × 1.6 in) and weighing , the Harris SSDL allows the small Raven UAS to extend communications for troops in the field. In August 2015 selected units began receiving upgrades to their Raven sensors. The Raven Gimbal is a rotating camera with a 360-degree gimbal, which replaces the fixed camera that required maneuvering the aircraft to observe. The new camera can be switched between day and night settings without landing and swapping sensors. In August 2017 Belgium bought 32 Raven-drones, Luxembourg: 16. Variants RQ-11A Raven A (no longer in production) RQ-11B Raven B CU-173 Raven B - version for the Canadian Armed Forces Solar Raven – In November 2012, the Air Force Research Laboratory integrated flexible solar panels into the Raven platform's wing sections using a clear, protective plastic film and an adhesive to augment the existing battery power system, increasing endurance by 60%. Future improvements include improving the durability of the solar panels and reducing their weight. Integration work is also being conducted on the AeroVironment Wasp and the RQ-20 Puma. Operators The Raven is used by the United States Army, Air Force, Marine Corps, and Special Operations Command. Additionally, foreign customers include Australia, Estonia, Italy, Denmark, Spain and Czech Republic. As of early 2012, over 19,000 airframes have already been shipped, making it the most widely adopted UAV system in the world today. The British forces in Iraq used Raven equipment. The Royal Danish Army acquired 12 Raven systems in September 2007; three systems will be delivered to the Huntsmen Corps, while the remainder will be deployed with soldiers from the Artillery Training Center. A 2010 documentary film, Armadillo, shows Danish forces deploying a Raven in operations around FOB Armadillo in the Helmand province of Afghanistan. The drone also makes an appearance being used by the SEAL operators in the 2012 film Act of Valor. The Netherlands MoD has acquired 72 operational RQ-11B systems with a total value of $23.74 million for use within Army reconnaissance units, its Marine Corps and its Special Forces (KCT). At the turn of the year 2009 to 2010 the systems were deployed above the village Veen, as part of the Intensification of Civil-Military Cooperation. In 2012 and