Nigeria buys 12 US Viper helos: AGR-20 PGMs, M197 20mm cannon The United States has decided to approve a possible foreign military sale to Nigeria regarding the AH-1Z attack…
KAI LAN helo with M197 Gatling-type gun was tested at -32 degrees Korean aerospace company KAI has subjected the KAI LAH helicopter to various tests in cold weather conditions,…
