Operational Orders 44
Detailed operational orders issued before each mission — targets, courses, bomb loads, timings.
Orders & Appendices 270
Squadron Routine Orders, nominal rolls, crews-and-machines tables, and administrative appendices.
Signals & Messages 11
Operational signals, congratulatory messages, and unit communications from the ORB appendices.
Reconnaissance Reports 8
Aerial reconnaissance observation reports — target assessments and post-strike photography notes.
Sources 29
National Archives ORB volumes from which all transcriptions are drawn, with transcription status.