Historical information
AEME stands for Australian Electrical and Mechanical Engineers. Their role was to support and advise troops in the field.
AAOL - Australian Army Ordnance Corps.
Physical description
1. to 4. Felt colour patches, square, brown front and grey back. Smaller red square on front, then smaller black circle in centre. For AEME Field Units.
5. Small felt colour patch for AAOC now Field Unit. Light brown front and back with a small blue square on front then small red square in centre for AAOC non Field Unit.