"This contract procures long lead time materials, parts, components, and efforts necessary to maintain on-time production and delivery of 118 Lot 18 aircraft F-35 aircraft for the Air Force, Marine Corps, Navy, non-U.S Department of Defense participants, and Foreign Military Sales customers," the department said on the $1.05 billion Lockheed contract.

Earlier this month, Lockheed Martin received a Defense Department contract worth $431 million to deliver new High Mobility Artillery Rocket Systems (HIMARS) and support services for the U.S. Army and its foreign allies.

Separately, Boeing Co (BA.N) was awarded a $497 million firm-fixed-price contract for CH-47F helicopters, the department said on Friday, adding Dec. 30, 2025, was the estimated contract completion date.