fixedly coupled to centerbody 132 in use and in the exemplary embodiment bypass nozzle valve 130 is movable to facilitate regulating and or varying a quantity of airflow channeled through throat area 134 more specifically and in the exemplary embodiment bypass nozzle valve 130 is translated in forward direction 124 to facilitate increasing a quantity of airflow that is channeled through throat area 134 alternatively bypass nozzle valve 130 is translated in aft direction 126 to facilitate decreasing the quantity of airflow channeled through throat area 134 accordingly variable area nozzle assembly 120 facilitates regulating the quantity of airflow that is channeled from outer bypass duct 58 to the exhaust without mixing with the gas turbine exhaust fig2 is schematic illustration of the gas turbine engine shown in fig1 in a first operational configuration in the exemplary embodiment vabi 102 and core nozzle assembly 110 are maintained in a fixed position whereas bypass nozzle assembly 112 is movable to facilitate varying the size of throat area 134 fig3 is schematic illustration of the gas turbine engine shown in fig1 in a second operational configuration in the exemplary embodiment vabi 102 core nozzle assembly 110 and bypass nozzle assembly 112 are all movable to facilitate varying the size of mixer inlet area 160 core throat area 122 and bypass throat area 134 respectively fig4 is schematic illustration of the gas turbine engine shown in fig1 in a third operational configuration in the exemplary embodiment vabi 102 is maintained in a fixed position whereas core nozzle assembly 110 and bypass nozzle assembly 112 are movable to facilitate varying the.