"The Avenger (http://www.boeing.com/history/boeing/avenger.html) is fully automated, short-range Avenger air defense system. It is a lightweight, highly mobile, easily transportable surface-to-air missile fire unit with eight Stinger missiles in two missile pods. It acquires, identifies, tracks and engages targets (low-flying helicopters or fixed-wing aircraft) from a stationery or moving position."
And if you look at the "Applications" section on RTEMS website, the very first entry (https://www.rtems.org/applications/hardware/avenger/) says:
"The Avenger (http://www.boeing.com/history/boeing/avenger.html) is fully automated, short-range Avenger air defense system. It is a lightweight, highly mobile, easily transportable surface-to-air missile fire unit with eight Stinger missiles in two missile pods. It acquires, identifies, tracks and engages targets (low-flying helicopters or fixed-wing aircraft) from a stationery or moving position."