Had a little bit of trouble figuring out what the LSB was.<p>It appears you are referring to the LRS-B.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Long_Range_Strike_Bomber" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Long_Range_Strike_Bomber</a>