In this May 18, 2021 photo, Secretary of State Antony Blinken speaks during a joint press conference following meetings with the Icelandic Foreign Minister Gudlaugur Thor Thordarson, at the Harpa Concert Hall in Reykjavik, Iceland. Blinken is heading to the Middle East to press the Israelis, Palestinians and regional players to build on last week’s Gaza cease-fire by laying the groundwork for a resumption in long-stalled peace talks. (Saul Loeb/Pool Photo via AP) Secretary of State Antony Blinken said Sunday that NATO members have the go-ahead to send fighter jets to Ukraine as the U.S. and allies continue their efforts to help Ukraine defend itself against Russia’s invasion. “That gets a green-light,” Blinken said in an interview with “Face the Nation” when asked whether the Polish government, a member of NATO, could send fighter planes to Ukraine. “In fact, we’re talking with our Polish friends right now about what we might be able to do to backfill their needs if in fact they choose to provide these fighter jets to the Ukrainians. What can we do? How can we help to make sure that they get something to backfill the planes that they are handing over to the Ukrainians?” A White House spokesperson told CBS News the Biden administration is working on the capabilities it could provide to backfill Poland if it decided to transfer planes to Ukraine but noted there are several questions that arise from a decision to do so, including how the jets could be transferred from Poland to Ukraine. Russia’s invasion of Ukraine has sparked worldwide support for the Ukrainian people and a united response from the West. The U.S. and European allies have provided military and humanitarian aid to Ukraine, and imposed sweeping sanctions on Russia’s biggest financial institutions, Russian oligarchs and top officials in Moscow, including President Vladimir Putin himself and Foreign Minister Sergei Lavrov, as part of efforts to cut the country off from the global financial system. Putin on Saturday said the sanctions are “like a war.” Blinken, who was in eastern Europe meeting with U.S. allies, said NATO countries and members of the Group of 7 are “working together” to raise the pressure on Russia, including through additional sanctions, which will be implemented in the coming days. “The impact of the sanctions is already devastating,” the secretary of state said. “The ruble is in freefall. Their stock market’s been shuttered for almost a week. We’re seeing a recession set in Russia. Consumers aren’t able to buy basic products because companies are fleeing Russia, so it’s having a big impact.” Still, Blinken noted that Putin is “doubling down and digging in on this aggression against Ukraine.” “I think we have to be prepared, unfortunately, tragically, for this to go on for some time,” he said. The secretary of state was steadfast that even if Russia’s war in Ukraine continues for months, the Ukrainians will prevail. “Winning a battle is not the same thing as winning a war. Taking the city is not the same thing as capturing the hearts and minds of Ukrainians,” he said. “What they’ve demonstrated with extraordinary courage is that they will not be subjugated to Vladimir Putin’s will and be under Russia’s thumb. So whether that takes another week, another month, another year to play out, it will, and I know how this is going to end. But the question is, can we end it sooner rather than later with less suffering going forward? That’s the challenge.”