David Brent Ahlstrom was 14 years old when Space Shuttle program: STS-51-L mission: Space Shuttle Challenger disintegrates after liftoff, killing all seven astronauts on board. The Space Shuttle program was the fourth human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished routine transportation for Earth-to-orbit crew and cargo from 1981 to 2011. Its official name, Space Transportation System (STS), was taken from a 1969 plan for a system of reusable spacecraft of which it was the only item funded for development.
David Brent Ahlstrom was 23 years old when The Rwandan genocide begins when the aircraft carrying Rwandan president Juvénal Habyarimana and Burundian president Cyprien Ntaryamira is shot down. The Rwandan genocide, also known as the genocide against the Tutsi, was a genocidal mass slaughter of Tutsi in Rwanda by members of the Hutu majority government. An estimated 500,000 to 1,000,000 Rwandans were killed during the 100-day period from 7 April to mid-July 1994, constituting as many as 70% of the Tutsi population. Additionally, 30% of the Pygmy Batwa were killed. The genocide and widespread slaughter of Rwandans ended when the Tutsi-backed and heavily armed Rwandan Patriotic Front (RPF) led by Paul Kagame took control of the country. An estimated 2,000,000 Rwandans, mostly Hutus, were displaced and became refugees.
David Brent Ahlstrom died on 16 Jun 2005 at the age of 33