warhead has been replaced by a 400 kg unitary
HE, penetration HE, or submunitions warhead. Other notable changes include the following:
- Larger conformal fuel tanks (compared to the Kh-55SM)
- Reduced radar cross-section.
- Improved accuracy.
- Increased range, 3,500 km.
*on photo is Kh-55SM
Here is a video of loading cruise missile to bomb bay Tu-160 Blackjack
Armed Su-33 with 4 x air to air missiles R-73 (link)