A round shield, with a gold border, black background and dark purple details

A round shield, with a gold border, black background and dark purple details. Letters in the center "ENGINEERING AND MAINTENANCE" Decorated with planes and helicopters flying in formation in the background, with a radar. May it also have wrenches, tool, propellers and engines as decoration throughout the shield. hyperrealistic. With front view and elegant colors. With silver wings, worn that hold the entire shield