Complex sentence: On 3 October, she got underway for her return to the US, making port calls at Monrovia, Liberia, on 10 October, and Pernambuco, Brazil, on 15 October, along the way.
Split into simpler sentences: On 3 October, she got underway for her return to the US. She made port calls at Monrovia, Liberia, on 10 October, and Pernambuco, Brazil, on 15 October, along the way.