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