Complex sentence: Brazil diverts the "Stehekin" from its course, in an attempt to reach the planet where the sponge sickness originated to obtain the antidote, but before they arrive, Brazil receives a distress call from Dalgonia and detours to investigate.
Split into simpler sentences: Brazil diverts the "Stehekin" from its course, in an attempt to reach the planet where the sponge sickness originated to obtain the antidote. Before they arrive, Brazil receives a distress call from Dalgonia and detours to investigate.