On the would-be battlefield, soldiers practised landing on knee-bent legs from a parachute. They also took part in simulated fighting in a forested environment.
The army officials showcased weapons made inside the authoritarian country, as well as Russian and modernised Soviet-era equipment.
They stressed that Minsk is "peace-loving" and were keen to emphasise the "stability" that they said authorities ensure.
"Belarusians are peaceful people. But if we have to we will defend our Belarus," Lukashevich said.
"We will not give up our Beloved," he added, using a phrase appropriated by the government after the protests.
"We did not attack anyone," another official said. "But if anyone attacks us, then..."
