 On 20 January, after reconnaissance patrolling and building of a track for its wagons, Chelmsford's column marched to Isandlwana, approximately to the east, leaving behind the small garrison.A large company of the 2nd/3rd Natal Native Contingent (NNC) under Captain William Stevenson was ordered to remain at the post to strengthen the garrison.This company numbered between 100 and 350 men.