The Jericho XL is a size 3 rocket pod from Hurston Dynamics. It carries eighteen unguided size 1 rockets and can only be installed on certain ships with a size 3 hardpoint. It is by default installed on the Mustang Delta and Vanguard Harbinger, despite them not having the correct hardpoint size. On the Vanguard Harbinger it also appears with a different 3D model.
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The Jericho XL rocket pod from Hurston Dynamics is compatible with any size three hardpoint and capable of carrying eighteen S1 rockets.
Hurston Dynamics (HUDY)