<https://www.airforcemag.com/this-day-in-airpower/april-17-1999/#webpage>
<http://schema.org/url>
<https://www.airforcemag.com/this-day-in-airpower/april-17-1999/>
<https://www.airforcemag.com/this-day-in-airpower/april-17-1999/>