Pratt & Whitney Rocketdyne was formed in 2005 when Pratt & Whitney Space Propulsion and Boeing Rocketdyne Propulsion & Power were merged , following the latter 's acquisition from Boeing by United Technologies Corporation .
Head entity: rocketdyne propulsion & power Q7337143 16 17 18 19
Tail entity: pratt & whitney rocketdyne Q968710 0 1 2 3
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155