View source for Askja

=== NASA ===
The area was used by [[NASA]] during training for the [[Apollo program]] to prepare astronauts for the lunar missions. Their main objective in Askja was to study geology. [[The Astronaut Monument]] in [[Húsavík]] lists the 32 astronauts who participated.<ref>{{Cite web|title = Apollo astronauts revisit training area in Iceland and explore a new lava flow - The Exploration Museum|url = http://www.explorationmuseum.com/2015/07/astronauts-revisit-training-area-and-explore-a-new-lava-flow/|website = www.explorationmuseum.com|access-date = 2015-08-09|archive-date = 2019-04-02|archive-url = https://web.archive.org/web/20190402042808/http://www.explorationmuseum.com/2015/07/astronauts-revisit-training-area-and-explore-a-new-lava-flow/}}</ref><ref>{{Cite web|title = Barnabörn Armstrongs afhjúpuðu minnisvarða|url = http://www.mbl.is/frettir/innlent/2015/07/15/barnaborn_armstrongs_afhjupudu_minnisvarda/|access-date = 2015-08-09}}</ref>