Check out this video on Air Cadet Badges – this will give you everything you need to know on placing your badges on your tunic
Shoulder Badge (Shoulder Flash). The shoulder badge is worn on both sleeves of the tunic only. The top of the badge is to be 2 cm below the shoulder seam. The bottom of the shoulder flash should parallel the ground when standing at attention.
Rank Badge. Your Rank Badge belong half-way between the shoulder seam and elbow and should be centred.
Proficiency Badge. Your proficiency badge is centred on the left sleeve of the tunic. It is worn immediately above the cuff.
Name Tag. The name tag is worn above the flap of the right breast pocket of the tunic. The bottom of the name tag should be immediately above the top of the flap.
Tunic. When wearing the tunic you shall always keep all pockets buttoned. Be sure all front buttons (except the top) are also fastened. You should keep your tunic well pressed. The sleeves of the jacket shall be roll-pressed with no creases. Be sure your belt is even with no twists. The buckle of your tunic belt is to be centered. The pockets of your tunic should be empty. The tunic should be free of wrinkles and stains. All badges shall be tightly sewn down with like-coloured thread (the thread shall not be visible).