Members of Machinists (IAM) Local 933 reached a tentative agreement Sunday with Raytheon, covering approximately 1,000 members in Tucson, Arizona. The Raytheon workers manufacture missiles and other advanced arms vital to the U.S. military. These members must still vote to approve the contract, which includes pay increases of 4%, 3.5% and 3.25% over the next three years, a $3,000 ratification bonus, pension and other improvements.