Due to a long-standing aversion to calling certain kinds of vessels by their most appropriate name, the Japanese Maritime Self-Defence Force (because Japan’s constitution prohibits the country having a “navy”, post-1945) commissioned their latest “destroyer” last week:
I know what you’re thinking … “That doesn’t look like a destroyer to me” … but that’s what Japan officially designates ships like this to be, so that’s what they’re called. Strategy Page has more:
On March 22nd Japan put into service a second 27,000 ton “destroyer” (the Kaga, DDH 184) that looks exactly like an aircraft carrier. Actually it looks like an LPH (Landing Platform Helicopter) an amphibious ship type that first appeared in the 1950s. This was noted when Izumo, the first Japanese LPH was launched in 2012 (it entered service in 2015). The Izumos can carry up to 28 aircraft and are armed only with two 20mm Phalanx anti-missile cannon and launcher with sixteen ESSM missiles for anti-missile defense.
LPHs had no (or relatively few) landing craft but did carry a thousand or more troops who were moved ashore using the dozen or more helicopters carried. The first American LPH (the USS Iwo Jima) was an 18,400 ton ship that entered service in 1961, and carried 2,000 troops and twenty-five helicopters. Until Izumo showed up, several nations operated LPHs, and Britain and South Korea still do. The U.S. retired its last LPHs in the 1990s, but still have a dozen similar ships that include landing craft (and a well deck in the rear to float them out of) as well as helicopters. A few other nations have small carriers that mostly operate helicopters but carry few, if any troops.
The Izumos are the largest LPHs to ever to enter service. It differs from previous LPHs in not having accommodations for lots of troops and having more powerful engines (capable of destroyer-like speeds of over fifty-four kilometers an hour). Izumo does have considerable cargo capacity, which is intended for moving disaster relief supplies quickly to where they are needed. Apparently some of these cargo spaces can be converted to berthing spaces for troops, disaster relief personnel, or people rescued from disasters. There are also more medical facilities than one would expect for a ship of this size. More worrisome (to the Chinese) is the fact that the Izumo could carry and operate the vertical take-off F-35B stealth fighter, although Japan has made no mention of buying that aircraft or modifying the LPH flight decks to handle the very high temperatures generated by the F-35B when taking off or landing vertically. The Chinese are also upset with the name of this new destroyer. Izumo was the name of a Japanese cruiser that was a third the size of the new “destroyer” and led the naval portion of a 1937 operation against Shanghai that left over two-hundred-thousand Chinese dead. The Chinese remember all this, especially the war with Japan that began unofficially in 1931 and officially in 1937.