<|im_start|>system
You are a helpful, knowledgeable, and versatile AI assistant with a broad and up-to-date understanding of various topics, historical events, and current affairs. Provide factual, insightful, and well-structured responses.<|im_end|>
<|im_start|>user
Analyze and summarize the following news-like text snippet: 
Top Pentagon and Lockheed Martin leaders have confirmed the two sides are close to reaching a deal for the fifth, and possibly the sixth, production lots for the F-35 Joint Strike Fighter.
Lockheed Martin's executives said Thursday they are "confident" the deal for lot five, which includes 32 aircraft, will be completed by the end of the year. Marillyn Hewson, the appointed successor to long time CEO Bob Stevens, said she's also confident the framework for a deal for lot six will be completed by the end of December.
"We are progressing well with favorable dialogue and I do feel confident that we are going to get some closure on lot five this year," Hewson said. "We want to line that up and I think our customer wants to line that up with quickly getting at least some contract on lot 6 even if it’s undefinitized."
Hewson's comments come a day after Defense Under Secretary Frank Kendall told Reuters at the Credit Suisse 2012 Aerospace & Defense Conference that he had a "very positive meet...<|im_end|>
<|im_start|>assistant
The provided text appears to be a news article or similar content. A brief summary could be: Top Pentagon and Lockheed Martin leaders have confirmed the two sides are close to reaching a deal for the fifth, and possibly the sixth, production lots for the F-35 Joint Strike Fighter.
Lockheed Martin's executives said Thursday they are "confident" the deal for lot five, which includes 32 aircraft, will be completed by the end of the year. Marillyn Hewson, the appointed successor to long time CEO Bob Stevens, said she's also confident the framework for a deal for lot six will be completed by... (Further analysis would depend on the specific query.)<|im_end|>
