Assuming you have spares, C4 can be a useful weapon. It has the abililty to always destroy tanks and APCs. If you lack AT weaponry, throw down some smoke and get close enough to lay a C4 down by the tank. Retreat and detonate and the tank will be destroyed
.You also should pass the detonator from Jones to another team member (in case Jones gets MIA) so you can detonate the charge anyway.