Talk:Helical engine

Obligatory attribution notice[edit]

The following was added by ExoEditor (talk · contribs) in Special:Diff/1009513510 (in bold):

The concept was proposed by David M. Burns, a NASA engineer at the Marshall Space Flight Center in Alabama and currently NASA's Acting Deputy Associate Administrator for Exploration.^[1]

The revision will be deleted due to a copyright violation added by the same user. –LaundryPizza03 (d c̄) 17:51, 1 March 2021 (UTC)[reply]

I re-wrote it. ExoEditor 21:39, 1 March 2021 (UTC)[reply]

References

^ "Dr. David Burns, Acting Deputy Associate Administrator for Exploration | Science Mission Directorate". science.nasa.gov. Retrieved 2021-03-01.

[1] "Dr. David Burns, Acting Deputy Associate Administrator for Exploration | Science Mission Directorate". science.nasa.gov. Retrieved 2021-03-01.

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