 Gillham joined a day trip to Mozambique on 7 August 1960 where she visited the Susengenga (Little River Research Station); an agricultural research station, and the Barragem Oliveira Salazar dam.From here, she travelled to Sabi Valley, to Fort Victoria (now called Masvingo), back to Johannesburg and then reaching the Congo (after travelling through Angola) on 12 August 1960.Gillham left the Congo by plane for Ghana, arriving on the same day, but leaving on the following day (13 August) via Nigerian Airways to get to Lagos, Nigeria.