2022-6-22 · This is the latest batch of Ukrainian M777 artillery pieces destroyed by Russia. Video released by the Russian Defense Ministry on the same day shows Ukrainian soldiers cutting branches to disguise the M777 howitzer. In a video released by the Russian side, Ukrainian soldiers are unloading ammunition, spare parts, and other equipment from a truck. Doubles Cannon Range. September 29, 2018. The Army fired a modified M777 howitzer double its previous range, bringing the service one step closer to delivering the prototype Long Range Cannon capability. The U.S. Army’s M777A2 and M777ER towed howitzers side by side at a test site. On September 19, 2018 the Army fired a modified M777 howitzer.