Who are on those planes from Morocco?
https://en.wikipedia.org/wiki/Mining_industry_of_Morocco
"Phosphates, lead, fluorine, and antimony are found in the Atlantic coast over a stretch of 60–120 kilometres (37–75 mi), and also in central Morocco. The Anti-Atlas has reserves of copper, manganese, gold and silver, cobalt, tin, titanium, and wolfram. The High Atlas has reserves of lead, zinc, copper, manganese, iron, and barite, while zinc, antimony, strategic metals, and smectic clays are sourced in the Rif. The eastern region is known for lead, zinc, and coal.[1]"
With Gold as the official currency, we'd also need silver. Morocco exports quite a bit of silver…
Is Trump reaching an economic deal with African countries?