The present disclosure is directed to an oil-free gas turbine engine. The gasturbineengine includes a compressor section, a combustion section, a turbine section,and anexhaust nozzle section. Further, the gas turbine engine includes at least onerotarycomponent configured to drivingly connect at least a portion of the turbinesection to atleast a portion of the compressor section. Moreover, the gas turbine engineincludes oneor more gas-lubricated bearings configured to support the rotary component. Inaddition,the gas turbine engine includes a direct-drive starter-generator configured tostart the gasturbine engine. Thus, the gas turbine engine of the present disclosureprovides an enginethat is at least partially oil free.
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