What does lisa mean

Davy Crockett (nuclear device)

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I removed your addition here as it looked like worthless trivia. If you disagree and can present good third-party references for the material, you may feel free to re-add it. If not, please do not add material like this again. --John (talk) 16:17, 24 June 2016 (UTC)Reply

I've removed it again. See WP:IRS for what constitutes a source. --John (talk) 18:46, 24 June 2016 (UTC)Reply