The No118 Mk 4 Flare is used in aircraft countermeasures systems to combat heat-seeking missiles. The flare can be housed in a multiple shot magazine as fitted to countermeasures dispensing sets AN/ALE 40, 45 and 47 series, M130/ M147, Terma, Rokar, MES, SAAB, MBDA/ Alkan and Thales systems for example.