 Due to volume storage restrictions on board platforms, many aircraft of American origin use square decoy flare cartridges.Nevertheless, cylindrical cartridges are also available on board American aircraft, such as MJU 23/B on the B-1 Lancer or MJU-8A/B on the F/A-18 Hornet; however, these are used mainly on board French aircraft and those of Russian origin, e.g.PPI-26 IW on the MiG 29.