Northrop Grumman Corp. raised gross proceeds of $999.9 million from an offering of 2.080% senior unsecured notes due Oct. 15, 2020.

The company plans to use the proceeds for acquisitions or investments.

Credit Suisse Securities (USA) LLC, Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, Lloyds Securities Inc., Merrill Lynch Pierce Fenner & Smith Inc., Mizuho Securities USA LLC and Wells Fargo Securities LLC were the lead underwriters.

Academy Securities Inc., ANZ Securities Inc., Blaylock Beal Van LLC, BNP Paribas Securities Corp., BNY Mellon Capital Markets LLC, Deutsche Bank Securities Inc., Drexel Hamilton LLC, Mischler Financial Group Inc., MUFG Securities Americas Inc., Scotia Capital (USA) Inc., SMBC Nikko Securities America Inc., Williams Capital Group LP, U.S. Bancorp Investments Inc. and UniCredit Capital Markets LLC also served as underwriters for the offering.