Hot Section Engineering is responsible for the design, development, technology maturation and in service support of all diffuser cases, combustors, turbines (vanes, blades, rotors and cases), augmenters (military), nozzles and associated fuel systems for all military, commercial and industrial engine models and radial auxiliary power units. The Durability Discipline is highly specialized with particular focus on advanced cooling designs, aerodynamics, heat transfer, lifing, coatings, high-temperature aerospace alloys, and manufacturing.