At 813 feet long, the Izumo is the size of approximately eight football fields and has a crew of 470 sailors.
— Steve Herman (@W7VOA) March 25, 2015
It is officially designated a helicopter carrier, even though it is as big as the aircraft carriers Japan used during WWII. But calling it a helicopter carrier and not an aircraft carrier allows Japan to get around a constitutional ban on owning the means to wage war. Aircraft carriers are considered offensive weapons. For instance, unlike aircraft carriers, the Izumo does not have a catapult to launch fighter jets.
— aloysius (@aloysius34) March 25, 2015
"This vessel can serve in a wide range of roles, including peace keeping operations, and international disaster relief and aid," said Japanese Defense Minister Gen Nakatani during a ceremony Wednesday welcoming the vessel at the Japan United Marine shipyard in Yokohama, about 45 minutes south of Tokyo. The Izumo will be housed at the Yokosuka Naval Base near Tokyo.
Japan’s Prime Minister Shinzo Abe is seeking legislative approval to build up its defense capabilities and loosen the country’s pacifist constitution that was largely drafted after World War II by US General Douglas MacArthur and his postwar occupation staff, and which put severe constraints on Japan’s defenses.
— NavyRecognition (@NavyRecognition) March 25, 2015
Japan is currently adding long-range patrol aircraft and military cargo planes, and acquiring several amphibious assault vehicles.