The Soldier (1982)
The Soldier.. No not the Kurt Russell & Gary Busey! Movie of the same title. This ones from 1982 and features Ken Wahl and a bunch of other people. The Russians steal a nuclear device and are stating that unless the Israelis pull out from the West bank, they will detonate it, which they have planted in an oil field and if it should go off; 50% of the World's oil will be contaminated. And the Israelis are unwilling to cooperate and the Americans knowing that they can't allow this are making preparations to force the Israelis off the West bank. The President then calls the Director of the CIA to do something about this. The Director assigns the agent who works outside the official channels codenamed the Soldier. He starts by trying to see if the Russians are indeed behind it but the Russians have him marked for termination.