Key Points - Earnings per share fell sharply to $1.46, missing analyst estimates and reflecting significant program charges.- Revenue stayed flat at $18.2 billion but came in below expectations, while operating profit dropped by 65 % compared to the prior year.

Despite significant charges and tax uncertainties, Lockheed Martin Corp (LMT) reaffirms its sales guidance and showcases strong shareholder returns and operational efficiency.

Shares of Lockheed Martin (NYSE:LMT) tumbled as much as 9% on Tuesday after the defense contractor reported sharply lower second-quarter earnings because of more than $1.6 billion in program-related charges,