An amphibious warfare ship called a landing platform/dock (LPD) transports and lands expeditionary forces, while a larger multipurpose amphibious assault ship known as a landing helicopter dock (LHD) can operate helicopters and has a well deck to launch amphibious vehicles from the sea. The document provides the USS Trenton as an example of an LPD and the BPC Dixmude as an example of an LHD.

1.  A landing platform/dock (LPD), is an
amphibious warfare ship, that embarks,
transports, and lands elements of a landing
force for expeditionary warfare missions.
 Eg. USS Trenton LPD
 Landing Helicopter Dock (LHD), is the
multipurpose amphibious assault ships which
are capable of operating helicopters and have a
well deck.
 Eg. BPC Dixmude
LHDLPD VS.