Kent is the
NATO reporting name for the Russian Kh-55MS, a long
range
air-breathing cruise missile. Kent carries a 200
kiloton yield
nuclear warhead. It can travel as far as 3000km at
subsonic
speeds.
The Tu-160 Blackjack bomber can carry up to 12 AS-15s; the older Tu-95 Bear can carry as many as 16 in its latest versions.