[1] In 1973, Pickering joined the Guyana Defence Force as a personal assistant to the Commanding Officer, Ulric Pilgrim.
In 1975, she served as one of the colour guard for the visit at the Timehri International Airport of the first female prime minister, Sirimavo Bandaranaike of Sri Lanka.
[1] Upon completion of her training, Pickering was hired as one of the first two-woman pilots of the Guyana Defence Force, flying Britten-Norman Islanders in 1977.
[2] She obtained licensing to fly bigger planes, such as the Hawker Siddeley HS 748 and though based jointly in Antigua and Barbados, she routinely flew throughout the Eastern Caribbean, as well as to the Dominican Republic, Puerto Rico and to Venezuela.
[1] In addition to flying, Pickering-Moore raised her five children and obtained a degree in Business Administration from the American InterContinental University.