Sarasota, Fla.-based MRC Optics — a subsidiary of Photonic Products Group Inc. of Northvale, N.J. — has been awarded a firm-fixed-price contract from Lockheed Martin of Orlando, Fla. The former will provide high-precision aluminum, beryllium and beryllium-alloy optical mirrors for the latter’s Arrowhead electro-optical system. Since 2002, there have been four contracts between the companies to produce Arrowhead mirrors.