Are you sure it was a Halifax, as the only details I can find for 75 Sqn RNZAF states that they flew Wellingtons, Stirlings then Lancasters.
Formed in April 1940 form the New Zealand Wellington Flight and served in 3 Group until the end of the war.
Squadron Identity Code Letter(s): AA, JN
Stations: Feltwell, Mildenhall, Newmarket and Mepal
Operational Performance:
Raids Flown
3 Group Wellingtons – 291 bombing, 24 mine laying, 4 leaflet, 1 photoreconnaissance.
3 Group Stirlings – 103 bombing, 107 mine laying
3 Group Lancaster's – 190 bombing, 18 mine laying, 1 leaflet
Totals: 584 bombing, 149 mine laying, 5 leaflet, 1 photo reconnaissance.
Sorties and Losses
3 Group Wellingtons – 2540 sorties, 74 aircraft lost (2.9 percent)
3 Group Stirlings – 1736 sorties, 72 aircraft lost (4.1 percent)
3 Group Lancaster's - 3741 sorties, 47 aircraft lost (1.3 percent)
Totals : 8017 sorties, 193 aircraft lost (2.4 percent)
An additional 8 Lancaster's were destroyed in crashes.
Points Of Interest:
The first and only New Zealand squadron in Bomber Command.
Victoria Cross: Sergeant J.A. Ward, Munster, 7/8 July 1941. Sgt. Ward was killed in action on a raid to Hamburg on
15/16 September 1941.
Carried out the fourth highest bombing raids of all heavy Bomber Command squadrons.
Suffered second highest casualties in Bomber Command.
Believed to have dropped the third greatest tonnage of bombs (21600 tons) in Bomber Command.
Dropped 2344 mines, most likely representing the second highest in Bomber Command.