The M1A Abrams is a main battle tank developed by the United States Army. It is the most advanced tank in the world and is used by the US an...
The T-14 Armata is a Russian-made main battle tank. It is the first tank to be developed in the post-Soviet era and is the most advanced tan...
The Leopard 2 is a main battle tank developed by Krauss-Maffei in the 1970s for the West German Army. It is one of the most advanced tanks i...
The T-90M Proryv is a Russian main battle tank. It is an upgraded version of the T-90A, and features improved armor, a more powerful engine,...
The Merkava Mark IV is an Israeli main battle tank. It is the most advanced version of the Merkava series and features a 120mm smoothbore gu...
Roger Federer is a Swiss professional tennis player who is currently ranked No. 3 in the world. He has won a record 20 Grand Slam singles ti...
