ASGM-10 missile
From Halopedia, the Halo wiki
ASGM-10 Missiles are guided ordinance used by the UNSC. They are used mainly aboard small spacecraft such as the Longsword Interceptor[1]. They yield a high explosive payload and can cause serious structural damage to targets without any shielding. They are specialized for attacks on single ship fighters such as the Covenant Seraphs. They are reminiscent to UNSC Archer Missiles.