Crouching in his hidden lookout on the edge of a forest, a Ukrainian border guard scans the horizon to the border with Russia and Belarus just a few kilometres to the north.
With the rain pouring down and the clouds low, there will be no Russian drones overflying his remote outpost in northern Ukraine, the last one before the frontier.
Clutching a monocular and wearing a balaclava that only shows his eyes, the guard proudly shows off his NLAW anti-tank missile launcher.
"Our main objective is to prevent a (new) invasion. But if that happens again here, we'll be ready to stop the enemy at the border and prevent them from coming in," says the 33-year-old who does not give his name.
The Senkivka border crossing is very close. A three-way crossing shaped like a 'Y', it points northwest into Belarus and northeast into Russia with Ukraine to the south.
This is where Russia's 90th armoured division swept in when the war started on February 24, cutting through Ukrainian territory like a knife through butter.
But they were never able to take the city, repelled by fierce Ukrainian resistance although it was regularly bombed.
In early April, the Russians pulled back from the north only to refocus on the campaign in eastern and southern Ukraine.
- 'Growing threat' -
Since then, Ukraine has been watching Senkivka like a hawk as well as its nearly 900 kilometres of border with Belarus, whose territory served as a rear base for Moscow's forces.
On October 20, Ukraine's military said the threat of a renewed offensive from the north was "growing", flagging intensified "aggressive rhetoric" from its northern neighbours who are close allies.
Several days earlier, Minsk said up to 9,000 Russian soldiers and some 170 tanks would be deployed to Belarus as part of a joint task force to secure its borders.
"If you want peace, you need to prepare for war," Belarusian President Alexander Lukashenko said on October 10, accusing Ukraine of "planning strikes" on his country.
Until now, Minsk has not joined the fighting in Ukraine.
Inside the well-fortified dugout that was set up after the Russian pullback in April, a border guard in his 30s who goes by the nickname "Lynx" says he thinks there's a "50-50 chance" of a new Russian offensive.
"You hear the constant sound of (Russian) artillery fire here... sometimes it's calm, but since autumn began, the enemy has become more active," he says.
But now "there are more (Ukrainian) positions and more fortifications, everything is more serious now... we have thought through all the possible options to avoid a repeat of what happened before," he insists.
- 'Friendly nations' -
Some 30 kilometres to the south lies Gorodnia, the first town occupied by the Russians on the first morning of the invasion.
Mayor Andriy Bogdan told AFP he was hoping the events of February 24 "won't be repeated" even if such a threat "does exist", pointing to the Russian troops in Belarus.
But now, the situation "is completely different" from what it was back then, when his town -- which had 21,000 residents before the war -- was "almost completely unprotected".
"We are relying on our border guards and all our defence forces. Today they are here and ready to fight," Bogdan says.
When the Russians turned up, the residents made a peaceful show of resistance, he says, proudly showing a video of locals with Ukrainian flags standing in front of the armoured vehicles to stop them advancing.
Grocery shop owner Svetlana, a woman in her 50s, dismisses the idea "that Belarus could attack us".
"We live by the border, we are friendly nations. I have a brother in Belarus and a sister in Moscow," she told AFP.
"At the start, even my sister couldn't believe it had happened. But they understand and they support us," she said.
"I want it to be over as soon as possible."
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© Agence France-Presse
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