The U.S. Navy has awarded Raytheon, an RTX business, a $205.1 million contract modification to acquire MK 15 Close-In Weapon Systems upgrades, conversions, overhauls and related equipment. MK 15 Weapons Systems Contract Details The Department of Defense said Friday the company will conduct work for the firm-fixed-price contract at Louisville, Kentucky; El Segundo, California; Tucson, Arizona; Andover, Massachusetts;