President Donald Trump’s fight to secure funding for the southern border with Mexico could jeopardize funding for key US bases that support operations in the Middle East and North Africa, according to a Pentagon list released this month.

As the White House considers what has been termed the “cost plus 50” plan to charge US allies in Germany and Japan for basing American troops, the Defense Department released a list of projects that could be defunded to finance $3.6 billion of border wall, a key Trump campaign pledge that congressional Democrats aren’t interested in paying for.

Funding for a $26.3 million fleet maintenance facility in Bahrain, home to the US Navy’s 5th Fleet, and nearly $513 million worth of construction in Germany to support Marines, fighter pilots and special operations forces in Africa are among $4.3 billion in projects eligible to be cut. Also on the chopping block is a $14.3 million project at Incirlik Air Base in Turkey, from where the United States has run many of its counter-Islamic State strike missions in Syria.

“I can’t find a case where we put so much overseas basing on the line,” said Rick Berger, a former Senate staffer who is now a research fellow at the American Enterprise Institute, a Washington think tank. “I think allies are keeping quiet right now particularly after cost plus 50 because they don’t want to be a target of the president.”