Publicly traded government contractor

Choose a publicly traded government contractor, and locate their most recent 10-K. (1) Identify the primary method for recognizing revenue (i.e., output method, input method, "other"), (2) describe the method used by the company (e.g., cost-to-cost input method) and (3) discuss at least two considerations specific to government contracting described in the 10-K that impact the company's revenue recgonition policy.
List of references:

https://www.cnbc.com/2017/01/04/top-government-contractors-52-public-companies-that-make-the-most.html