To address this, the RLU-5002A/B (HEPI) was introduced, with a "Head-End Permanent Igniter" that is not ejected on launch.
為了解決這個問題，因而導入了RLU-5002A/B（HEPI），並裝有一具“頭端永久式點火器”，在發射時不會拋出來。