said {HEAD ~ source} of microwave energy and said directional, directable microwave antenna physically forming {TAIL ~ a unitary assembly} 
said { HEAD ~ source } of microwave energy and said directional , directable microwave antenna physically forming { TAIL ~ a unitary assembly }
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL