 He sent columns of infantry, no more than company-size, to advance along "narrow fronts" ahead of one or two tanks, with engineers in support to improve the track or deal with "booby traps" or mines as they were found.The brigade's scheme of manoeuvre saw the 2/48th advance up the main track as the 2/23rd and 2/24th Infantry Battalions protected its flanks to the south and north respectively.None of the Australians' first day objectives were met.