Sergiy Korsunsky, fourth from left, Ambassador of Ukraine to Japan, and Toshiro Ino, fourth from right, state minister of Defense of Japan, pose for photographers in front of the Japan Ground Self-Defense Force's 1/2-ton trucks during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, center, Ambassador of Ukraine to Japan, is handed over a document from Toshiro Ino, right, state minister of Defense of Japan, during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. Japan Ground Self-Defense Force's 1/2-ton trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, center, Ambassador of Ukraine to Japan, is handed over a document from Toshiro Ino, right, State Minister of Defense of Japan, during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. The Japan Ground Self-Defense Force's the 1/2-on trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, center, Ambassador of Ukraine to Japan, is handed over a document from Toshiro Ino, right, state minister of Defense of Japan, during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. The Japan Ground Self-Defense Force's 1/2-ton trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, Ambassador of Ukraine to Japan, checks the Japan Ground Self-Defense Force's 1/2-ton truck, as it's a part of handover defense equipment, during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, center, Ambassador of Ukraine to Japan, left, and Toshiro Ino, second left, state minister of Defense of Japan, shake hands during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. Japan Ground Self-Defense Force's the 1/2-ton trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, therd left, Ambassador of Ukraine to Japan, Toshiro Ino, second right, State Minister of Defense of Japan, attend the handover ceremony of defense equipment for Ukraine at Ministry of Defense Wednesday, May 24, 2023, in Tokyo. Japan Ground Self-Defense Force's the 1/2 Ton Trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

A staff holds the Ukraine flag against strong wind in front of a Japan Ground Self-Defense Force's the 1/2 Ton Truck, seen in background, during the handover ceremony of defense equipment for Ukraine at Ministry of Defense Wednesday, May 24, 2023, in Tokyo. (AP Photo/Eugene Hoshiko)

A staff holds the Japanese flag against strong wind in front of a Japan Ground Self-Defense Force's the 1/2 Ton Truck, seen in background, during the handover ceremony of defense equipment for Ukraine at Ministry of Defense Wednesday, May 24, 2023, in Tokyo. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, therd left, Ambassador of Ukraine to Japan, Toshiro Ino, second right, State Minister of Defense of Japan, attend the handover ceremony of defense equipment for Ukraine at Ministry of Defense Wednesday, May 24, 2023, in Tokyo. Japan Ground Self-Defense Force's the 1/2 Ton Trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, center, Ambassador of Ukraine to Japan, is handed over a document from Toshiro Ino, right, state minister of Defense of Japan, during the handover ceremony of defense equipment for Ukraine at Ministry of Defense Wednesday, May 24, 2023, in Tokyo. the Japan Ground Self-Defense Force's 1/2-ton trucks, seen in background, are part of handover defense equipment. (AP Photo/Eugene Hoshiko)

Sergiy Korsunsky, Ambassador of Ukraine to Japan, checks the Japan Ground Self-Defense Force's 1/2-ton truck, as it's a part of handover defense equipment, during the handover ceremony of defense equipment for Ukraine at the Ministry of Defense Wednesday, May 24, 2023, in Tokyo. (AP Photo/Eugene Hoshiko)