The combination of FalconView and the Combat Flight Planning Software ( CFPS ) which was being developed by the USAF 46th Test Squadron and TYBRIN Corp became the Portable Flight Planning Software ( PFPS ) .
Head entity: pfps Q7231344 33
Tail entity: cfps Q43518353 11
Relation (head \u2192 tail): P527
Inverse relation (tail \u2192 head): P361