I understand similar versions owned by the US Navy frequented Blackbushe up to Aug 1960 when it was forcibly and abruptly closed by the government; (the only way they could get the airlines to move to Gatwick with it's far worse weather record) after the US Navy invested a lot of money developing a base there.
See
Home | Blackbushe Airport - The one-stop Forum for photos of them in several threads.
As can be seen in the video, it's rate of climb left a lot to be desired. When I did my Area Radar training back in the early '70s, one of the tracks used in the simulator was a Connie departing from Heathrow to go transatlantic; I think we all made the mistake of not asking it to expedite its climb and it would disappear somewhere near Lyneham having gone below radar coverage!