LMT · 10-Q · 2026Q3 · Full report

F-35 Production and Backlog

LOCKHEED MARTIN CORP · 2026-10-22 · Importance 50 · Surprise 24 · In source text

Lockheed Martin delivered 43 F-35 aircraft in the quarter and had delivered 1,387 production aircraft cumulatively through September 27, 2026, comprising 989 F-35A, 255 F-35B, and 143 F-35C variants. Its F-35 backlog was 274 aircraft at that date. The company remains in negotiations with the U.S. Government on production contracts for lots 20 and higher, and says its costs on the Lot 20 advance acquisition contract began exceeding current contractual authorization and funding in the third quarter.

Key facts

• Lockheed Martin entered into munitions framework agreements to accelerate production and delivery of PrSM and JATM, and a framework agreement for multi-year F-35 production and sustainment. source
• Lockheed Martin remained in negotiations with the U.S. Government on F-35 production lots 20 and higher; during the third quarter of 2026, costs incurred began to exceed current contractual authorization and funding on the Lot 20 advance acquisition contract, and absent additional authorization and funding future results, cash flows, and financial condition will be negatively affected. source
• Lockheed Martin delivered 43 F-35 aircraft in the quarter ended September 27, 2026; cumulative production deliveries through that date were 1,387, comprising 989 F-35A, 255 F-35B, and 143 F-35C aircraft, with backlog of 274 aircraft. source

Impact estimates