US-Iran War Disrupts Japan's Tomahawk Buy as US Supplies Deplete

Japan's Tomahawk order is facing delays as the war with Iran strained US inventories.

“Bloomberg, citing informed sources, said the United States has informed Japan of delaying the delivery of about 400 Tomahawk missiles due to the pressure created by the U”

Al-Jazeera Net

More than 850 missiles were fired in four weeks, exceeding the 2003 Iraq record of 802.

Al-Jazeera Net

The US consumed more than two years of production in the war.

The delay affects Tokyo's core deterrence strategy against China.

The US had about 4,000 Tomahawks including older models before the war.

RTX produced about 100 new missiles in 2025, and 240 were upgraded to Block V.

National Today

The Financial Times reported over 11,200 rounds used costing $26 billion in 16 days.

The Iran war diverts resources away from strategic priorities in the Indo-Pacific.

“Japan’s order for hundreds of Tomahawk missiles from the US is under threat as the American-Israeli war with Iran burns through inventories, the latest example of how the conflict is drawing in supplies and troops at the expense of defending against Washington’s primary strategic rival, China”

Bloomberg

Japan's Defense Minister Koizumi had phone calls with US War Secretary Hegseth.

The Royal United Services Institute warned the US faces supply chain challenges that could take years to resolve.