Each "Wasp"-class ship has a displacement of at full load, is long, has a beam of , and a draft of . For propulsion, most of the ships are fitted with two steam boilers connected to geared turbines, which deliver to the two propeller shafts. This allows the LHDs to reach speeds of , with a range of at . The last ship of the class, , was instead fitted with two General Electric LM2500 geared gas turbines. The ship's company consists of 1,208 personnel.