The 218 Mk 4 flare is used in aircraft countermeasures systems to combat heat-seeking missiles. This MTV flare can be housed in a multiple shot magazine as fitted to countermeasures dispensing sets AN/ALE 40, 45 and 47 series, M130/M147, MBDA/Alkan, Terma, Rokar, MES, SAAB and Thales systems, for example.