Compressed air is then delivered to {HEAD ~ combustor} 16 and airflow from {TAIL ~ combustor} 16 drives turbines 18 and 20 
Compressed air is then delivered to { HEAD ~ combustor } 16 and airflow from { TAIL ~ combustor } 16 drives turbines 18 and 20
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH