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Final phase – flight testing — of a multi-blade propfan, under development in a 3-year U.S. programme, is expected later this year. Shown is the prototype undergoing static tests in Southern…

Final phase – flight testing — of a multi-blade propfan, under development in a 3-year U.S. programme, is expected later this year. Shown is the prototype undergoing static tests in Southern…

Tethered at up to 3,000 metres above their ground- or sea-based mooring pads, aerostats located along the southeastern United States provide unmanned platforms for coastal and sea surveillance,…

Tethered at up to 3,000 metres above their ground- or sea-based mooring pads, aerostats located along the southeastern United States provide unmanned platforms for coastal and sea surveillance,…

Tethered at up to 3,000 metres above their ground- or sea-based mooring pads, aerostats located along the southeastern United States provide unmanned platforms for coastal and sea surveillance,…

Here we see a classical microburst in association with heavy rain, immediately northeast of Denver's Stapleton International Airport in Colorado (U.S.A.). The horizontal outflow is seen only to the…

Here we see a classical microburst in association with heavy rain, immediately northeast of Denver's Stapleton International Airport in Colorado (U.S.A.). The horizontal outflow is seen only to the…

Here we see a classical microburst in association with heavy rain, immediately northeast of Denver's Stapleton International Airport in Colorado (U.S.A.). The horizontal outflow is seen only to the…

High light-point brightness is a key feature of this 200° field-of-view Aircraft Wide Angle Reflective Display System (AWARDS) developed by Singer Link-Miles in England. It meets today's requirement…

High light-point brightness is a key feature of this 200° field-of-view Aircraft Wide Angle Reflective Display System (AWARDS) developed by Singer Link-Miles in England. It meets today's requirement…