It was redesignated the 33d Reconnaissance Squadron (apparently to avoid confusion with the regular USAF 31st Reconnaissance Squadron).
Reequipped and re-manned on 13 March 1942, absorbing the personnel and B-17 Flying Fortresses of the 31st Reconnaissance Squadron, which was inactivated.
31st United States Congress | reconnaissance | The Sabre Squadron | 31st parallel south | Reconnaissance | No. 33 Squadron RAF | No. 263 Squadron RAF | squadron | Pacific Squadron | National Reconnaissance Office | No. 45 Squadron RAF | No. 127 Squadron RAF | Services Reconnaissance Department | No. 617 Squadron RAF | No. 43 Squadron RAF | No. 38 Squadron RAF | No. 107 Squadron RAF | German East Asia Squadron | Far East Squadron | Squadron (aviation) | Oslo, August 31st | No. 77 Squadron RAAF | No. 71 Squadron RAF | No. 49 Squadron RAF | No. 48 Squadron RAF | No. 2 Squadron RAF | No. 233 Squadron RAF | No. 133 Squadron RAF | Asiatic Squadron | 44th Fighter Squadron |