Need balance sheet analysis for this company (Northrop Grumman). Any significant events affected the balance sheet

Breakdown v Current Assets v Cash Cash And Cash Equivalents Total Cash Net Receivables Inventory Total Current Assets v Non-current assets v Property, plant and equip... Gross property, plant and e... Accumulated Depreciation Net property, plant and e... Goodwill Intangible Assets Other long-term assets Total non-current assets Total Assets 12/31/2019 2,245,000 2,245,000 1,326,000 783,000 10,685,000 14,273,000 -5,850,000 8,423,000 18,708,000 1,725,000 12/31/2018 654,000 11,741,000 -5,369,000 18,672,000 1,372,000 1,463,000 27,973,000 37,653,000 12/31/2017 11,225,000 11,225,000 780,000 16,349,000 9,291,000 -5,066,000 4,225,000 12,455,000 18,568,000 34,917,000 12/31/2016 3,299,000 816,000 6,856,000 8,419,000 -4,831,000 12,450,000 1,258,000 18,758,000 25,614,000