The H.L.L.V. appears in the Mobile Suit Zeta Gundam series.
This large transport capsule, which name stands for Heavy Lift Launch Vehicle, is essentially the same as the H.L.V. seen in 0083. It's used by AEUG forces to launch from Hickory spaceport, storing inside the MSN-00100 Hyaku Shiki. As explained in Asahiya Shuppan Mobile Suit Gundam Film Book Series 1 - Zeta Gundam Part 1, its payload is from 10 to 100 times that of an ordinary shuttle; all around the circumference of its detachable lower section it's provided of 8 external fuel tank and several nozzle thrusters.