Japan's Cabinet approved a record-high military spending plan Thursday, endorsing proposals to purchase pricey U.S. surveillance drones and F-35 fighter jets as Tokyo steps up cooperation with Washington amid China's increasingly assertive activity in regional seas.

The 5.1 trillion yen ($42.1 billion) proposal is part of a 96.7 trillion yen ($800 billion) national budget plan for the year beginning April 2016, also an all-time high. The entire package requires parliamentary approval.

Military spending would rise 1.5 percent from this year, the fourth annual increase under Prime Minister Shinzo Abe, who ended a decade of defense budget cuts.

The defense budget is the first since Japan enacted new security legislation in September enhancing the country's military role and since Japan revised its bilateral defense guidelines with the U.S. earlier in the year to allow broader cooperation between the two allies.

The new security law divided Japanese public opinion, with opponents saying it would increase the possibility of Japan becoming embroiled in a U.S.-led war.

Japan is bolstering defense of its southern islands, where it has a territorial dispute with China. The budget plan also includes the purchase of an advanced Aegis radar-equipped destroyer with missile defense capability, submarine construction and sonar development.

In Beijing, Chinese Foreign Ministry spokesman Hong Lei urged Japan to "draw lessons from history, adhere to the path of peaceful development, and play a constructive role in safeguarding regional peace and stability." He said Chinese defense policy is "defensive in nature," and its military spending is kept at "a reasonable level."

Japan's Defense Ministry plans to spend 14.8 billion yen ($118 million) next year for part of a multibillion-dollar, multi-year purchase of three "Global Hawk" unmanned drones, as well as 138 billion yen ($1.1 billion) for six F-35 fighter jets and 23 billion yen ($190 million) for a Boeing KC-46A midair refueling aircraft.

"We believe the budget includes items that would contribute to enhancing Japan-U.S. cooperation in the area of ISR (information, surveillance and reconnaissance)," Defense Ministry official Tomoki Matsuo said.

Japan also pays 193 billion yen ($1.6 billion) a year for about 50,000 American troops stationed in Japan under a bilateral security treaty, more than half of them on Okinawa — a major source of friction between the central government and residents of the southern island frustrated with the decades-long burden.

The cost of moving some of them to Guam and a contentious plan to move a U.S. Marine air base from the crowded Futenma area to a less-populated part of Okinawa was also added to the budget.

Japan is constructing a Soryu-class submarine, among the world's largest, and developing a new sonar system. It is competing against Germany and France to jointly develop Australia's next-generation submarine fleet.

In a bid to step up its island defense, Japan is also purchasing 17 SH-60K helicopters and 36 combat tanks as well as amphibious vehicles.

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Associated Press writer Louise Watt in Beijing contributed to this report.

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