of July, 2014, Shadow systems had accumulated more than 920,000 flight hours, with more than 90 percent of those hours in support of U.S. and allied combat operations in Iraq and Afghanistan. The company's UAS capabilities expanded with the 2006 acquisition of Australian UAS manufacturer Aerosonde Pty. Ltd. This fleet's newest model is the Aerosonde Mark 4.7 small unmanned aircraft system. In late 2009, AAI conducted a shipboard demonstration of the system aboard the M80 Stiletto ship. In September 2008, AAI announced that it had teamed with Aeronautics Ltd. to provide the Orbiter miniature UAS in selected markets. The company's One System Ground Control Station is fielded as part of the Shadow Tactical UAS, as well as the One System Portable Ground Control Station and One System Remote Video Terminal. On 16 November 2009, AAI entered a 40-year exclusive license agreement with Carter Aviation Technologies concerning a possible autonomous slowed rotor/compound aircraft with potential for increased speed (250 knots) and range (1300 nautical miles) delivering 3000 pounds cargo, compared to traditional rotorcraft. It is to be based on the Carter PAV. In 2014, Carter said they bought back the license from AAI and is seeking production partners outside USA. AAI was developing an RQ-7 Shadow, also with a Carter rotor on top for vertical take-off and landing, to fly in 2012. AAI also intends to use this technology as the basis for their proposal to DARPAs "Flying Humvee" Transformer program. In March 2019, the U.S. Army selected Martin UAV and AAI Corporation to "provide unmanned aircraft systems for platoons to try out as candidates to replace the Shadow tactical UAS." The companies signed a contract for delivery over a three-year period. They will deliver systems to six platoons in order to evaluate them during combat and training rotations. The Army seeks better acoustics and runway independence as compared to the old Shadow. The Army is expected to decide "over the course of fiscal 2020" whether it will proceed in replacing Shadow. Logistics & Technical Services AAI provides a variety of engineering, logistical, maintenance, repair and overhaul services for the company's own platforms as well as those of other original equipment manufacturers. Its customers include the U.S. Army, Air Force, Navy and Marine Corps, for which the company supports a wide variety of operational systems. The Logistics & Technical Services business unit also provides depot maintenance equipment and services to domestic