SANTIAGO, Chile — Colombia has ordered 18 units of the 155mm howitzer Atmos from Israel’s Elbit Systems in a deal worth $101.7 million, military sources in Bogota told Defense News. The decision came as a surprise for some observers who expected the contract to go to the Colombian Army’s preferred choice, the six-wheel drive Caesar made by French company Nexter . During final negotiations, Nexter informed Colombia that the value of the potential deal would be $114 million, according to the