The phased antenna is interoperable with satellites in geostationary and non-geostationary (NGSO) orbits, enabling worldwide connectivity via satellite. It will ensure real-time data transmission to/from the aircraft. The ThinKom Ka2517 is integrated with a modem that is compliant with US military standards. It will be equipped with ThinKom Solution’s ThinAir® Ka2517 phased-array antenna, which is a low-profile Ka-band aero satellite antenna system for establishing the communication datalink. The LSMA can be fitted with tactical communication systems including a line of sight, beyond the line of sight, voice and data. Communication systems and sensors aboard LSMA The aircraft has a dispatch rate of 99.9%. The entire electronic equipment is based on open architecture, which will allow the swapping of components to meet specific mission requirements. The high-altitude intelligence aircraft can be equipped with up to six rack-mounted equipment stations, which can be removed and replaced by 16 seats for accommodating operators, crew or troops within a few hours. It can carry a payload of up to 5,000lb (2,268kg). The LSMA has a length of 68ft 5in (20.85m) and a wingspan of 64ft 4in (19.6m). The open architecture of the demonstrator aircraft can be quickly reconfigured to meet the different mission requirements of the customer, including high-altitude ISR, utility/cargo transport, or medical evacuation (MEDEVAC). Leidos developed the special mission demonstrator aircraft by converting a commercial off-the-shelf Bombardier Challenger 650 jet. Leidos Special Mission Aircraft design and features The in-flight testing of the LSMA equipped with the ThinKom phased array is expected to be performed in early 2022. The aircraft was showcased as a technology demonstrator for the US Army during the exercise. It was tested during an exercise in Pacific Theatre in Japan in July 2020. The LSMA was designed and developed from the initial concept to the deployment phase within 18 months.
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