The MIPU includes two turbine engines operable under differing conditions, an integrating gear box receiving power from the two engines selectively, and a plurality of accessory devices receiving {HEAD ~ shaft power} from {TAIL ~ either} of the two engines via the gear box 
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The MIPU includes two turbine engines operable under differing conditions , an integrating gear box receiving power from the two engines selectively , and a plurality of accessory devices receiving { HEAD ~ shaft power } from { TAIL ~ either } of the two engines via the gear box
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH