We’ve talked before about a laser guided variant of the 70mm (2.75″) rocket, but now it turns out the Navy is exploring an imaging infrared guided version. The big advantage of an IIR guidance system is that once the missile is fired, you don’t have to provide any further guidance from the launch platform. You can move on to engaging the next target.
Using the existing M66 rocket motor and existing HE warheads reduces development and procurement costs. Whether the IIR system will be discriminating enough for use in the IR clutter of overland operations is an open question, but there’s clearly potential there.
Let’s hope this program continues.