$洛克希德-马丁(LMT)$ 8-K - Current report Filed: 2018-08-24 AccNo: 0000936468-18-000058 Size: 871 KBItem 1.01: Entry into a Material Definitive AgreementItem 1.02: Termination of a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Bala 网页链接