Juno is equipped with a Leros-1b apogee engine prepared by Moog-ISP of Westcott.

BBC: Juno Jupiter probe gets British boost

The Jupiter probe's Leros-1b was originally designed to put telecommunications satellites in the right part of the sky.

BBC: Juno Jupiter probe gets British boost

The Leros-1b on Juno will be required to do something similar in July 2016 when the mission arrives at Jupiter.

BBC: Juno Jupiter probe gets British boost

Of those Nasa missions in action today, the Messenger venture at Mercury has a special reason to thank its Leros hardware.

BBC: Juno Jupiter probe gets British boost

The major American manufacturer Lockheed Martin was the first to use the high thrusting (635 newtons) Leros-1b on its telecoms platforms, but the engine has also found favour at the US space agency down the years.

BBC: Juno Jupiter probe gets British boost