My answer to How do I start a defense company?
Answer by Ken Larson:
Government contracting is not rocket science – to succeed you must take what you do well in the commercial market place or what your experience leads you to believe you can plan successfully as a commercial enterprise and then apply it in a slightly different manner from a business perspective to accommodate federal government contracting requirements.
Very few companies enter federal government contracting without some commercial experience and success. Very few startups entertain contracting exclusively to the federal government without commercial work to sustain operations while the more lengthy government procurement process is being pursued.