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The U.S. Navy’s T-45C Goshawk fleet is expected to return to flight this week after a grounding of almost two weeks, but the airplane’s altitude will be limited to under 10,000 feet due to lingering problems with the trainer jet’s pilot breathing system.The grounding, or "operational pause," was imposed in early April due to a recent increase in physiological episodes caused by contamination of the aircraft's onboard oxygen generation system (OBOGS). Such episodes involve a decrease in pilot performance and can…
