Then WHERE are they getting them from ?
“Physically” speaking ... since they can’t be taken across Israeli checkpoints ... they were, in the past, being smuggled in through the tunnels on the Egypt/Gaza side. I don’t believe the tunnels on the Israeli side were used for that type of smuggling ... but, it’s possible it could come through Israeli tunnels, too.
If you mean, “Where does the money come from to get them?” In the past, it’s been well-known that the funding has been from Iran as the primary sponsor. But Hamas and Iran had a falling out and now Qatar has picked up the money part.
If you mean, “Where do the actual war supplies or arms come from?” ... the answer to that is “absolutely anywhere in the world” wherever there are smugglers and crooks and they want to make money.”
The bottom line here is that you give me the necessary money that I want — and I’ll get you ANYTHING YOU WANT delivered to ANYWHERE YOU WANT ... GUARANTEED!
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One last note here ... since the tunnels have been destroyed by Egypt and they are cooperating with Egypt ... Hamas can see that when their current supply of missiles are exhausted, they are IN BIG TROUBLE because they are not now able to get much through. Their stock of about four thousand missiles will be exhausted in time, and then they have nothing to threaten with. That ‘s why Hamas is absolutely desperate to keep this war going and rack up as many civilian deaths as possible, so that they can use that (and the destruction) as leverage by fooling the other nations in the world to get Israel to lift the embargo!