Engineering (MESM) Leading Rate Royal Navy Badges

Royal Navy Engineering (MESM) qualification badge for the rank of Leading Rate.
This blue Royal Navy badge features a machine embroidered gold on blue badge. A gold propeller with a vertical missile superimposed on crossed lightning flashes. The letters MESM stand below the device with a star above and below.
This badge is typically worn on the right-hand arm of a Royal Navy No.4 Dress. Specialist badges are worn on the sleeves with insignia representing each branch or specialisation.