
[BOR]
0: Safe
1: Please only post links to actual news sources, no tabloid sites, etc
2: No NSFW content
3: No hate speech, bigotry, propaganda, etc

[EOR]
[BOC]
Even though aircraft need retrofits, it's actually had a very minor impact on cost. [The total cost of concurrency for the JSF program is less than $2 billion.](http://www.flightglobal.com/news/articles/f-35-concurrency-cost-rises-slightly-but-trend-stabilises-411882/)

[This is what that looks like as a fraction of the total program cost.](http://i.imgur.com/Qlacls7.png)
[EOC]
