1 Group Operational Records Books (ORB’s) These are not all complete Squadron, CU & HCU Operational Record Book's but partial, If you have any ORB's you would care to donate to the site please use the email at the bottom of the page to contact me. 1 Group Operational Records Books (ORB's) 1st August '40 - 29th July '42 30th July '42 - 29th December '43 1st January '44 - 31st December '44 1st January '45 - 31st December '45 Contact us
