H3-24W is the cargo configuration with two LE-9 first-stage engines, four SRB-3 solid rocket boosters, and the wide fairing used for HTV-X. It debuted successfully with H3 F7 and HTV-X1 in October 2025.
Identity
Aliases
H3 24WH3 type 24W
Family Name
H3
Full Name
H3-24W
Reusability
expendable
Slug
h3-24w
Status
active
Type
rocket
Variant Name
24W
Details
Description
H3-24W is the cargo configuration with two LE-9 first-stage engines, four SRB-3 solid rocket boosters, and the wide fairing used for HTV-X. It debuted successfully with H3 F7 and HTV-X1 in October 2025.