AAI, in conjunction with Textron sister company Bell Helicopter, intends to modify two Shadows with a Carter rotor on top for vertical take-off and landing, eliminating the need for the recovery and pneumatic launcher systems, while increasing payload and endurance.Warwick, Graham. Carter flies VTOL hybrid Aviation Week, 26 January 2011. Retrieved 27 January 2011. , it is expected to fly in 2012.Warwick, Graham. AAI Flies Precursor To Advanced Shadow UAVs Aviation Week, 1 August 2011. Retrieved 2 September 2011. AAI also expected to use the SR/C technology for the Shadow Knight, a powered-rotor two-propeller surveillance aircraft for the US Navy MRMUAS program;Warwick, Graham. AAI Unveils Shadow Knight UAV For MRMUAS Aviation Week, 24 January 2012. Retrieved 30 January 2012.Warwick, Graham. Introducing AAI's Shadow Knight Aviation Week, 24 January 2012. Retrieved 4 February 2012. however, the MRMUAS program was cancelled in 2012.Mortimer, Gary. "MRMUAS to be cancelled" SUAS news, 13 February 2012. Retrieved 11 August 2012.
