acm - 6.0+20200416-1.2 main

A multiplayer aerial combat simulation. Players engage in air to air
combat against one another using heat seeking missiles and cannons.
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Main features include:
* Simulation with 6 degrees of freedom.
* Structural limit to the vertical positive/negative load.
* Classic instruments, navigation and head-up display (HUD).
* Several aircraft models implemented, both civil and military.
* Two scenes provided, with many runways and radio stations.
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acm runs under the X window system. This version of acm is
implemented as a distributed simulation. It communicates information
via the IEEE Distributed Interactive Simulation protocol.
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The original version of acm was written by Riley Rainey. This is
Umberto Salsi's updated version.