axis 11 fig2 is a simplified schematic illustration of gas turbine engine assembly 10 shown in fig1 gas turbine engine assembly 10 includes a fan assembly 12 and a core gas turbine engine 13 core gas turbine engine 13 includes a high pressure compressor 14 a combustor 16 and a high pressure turbine 18 in the exemplary embodiment gas turbine engine assembly 10 also includes a low pressure turbine 20 and a multi stage booster compressor 22 gas turbine engine assembly 10 has an intake side 28 and an exhaust side 30 fan assembly 12 booster 22 and low pressure turbine 20 are coupled together by a first rotor shaft 31 and compressor 14 and high pressure turbine 18 are coupled together by a second rotor shaft 32 in operation air flows through fan assembly 12 and a first portion of the airflow is channeled through booster 22 the compressed air that is discharged from booster 22 is channeled through compressor 14 wherein the airflow is further compressed and delivered to combustor 16 hot products of combustion not shown from combustor 16 are utilized to drive turbines 18 and 20 and turbine 20 is utilized to drive fan assembly 12 and booster.