Bandeau supérieur de la Revue aerospatiale
<a href="//commons.wikimedia.org/wiki/Category:Photos_by_Guy_Leb%C3%A8gue" title="Category:Photos by Guy Lebègue">Guy Lebègue</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>