The 9M133 Kornet (Russian: ΠΠΎΡΠ½Π΅Ρ; "Cornet", NATO reporting name AT-14 Spriggan, export designation Kornet-E) is a Russian man-portable anti-tank guided missile (ATGM) intended for use against main battle tanks. It was first introduced into service with the Russian army in 1998.
The Kornet is among the most capable Russian ATGMs. It was further developed into the 9M133 Kornet-EM, which has increased range, an improved warhead, and equipped with an automatic target tracker.