The Government has urged New Zealanders to leave Ukraine, citing ongoing tensions between the eastern European country and Russia.
Russia was likely to launch a limited "land grab" invasion and it was wise for Kiwis to get out now, defence analyst Dr Paul Buchanan said.
The 36th Parallel Assessments director said Russian leader Vladimir Putin did not want war, but did want the spoils of war.
"Putin would prefer not to invade Ukraine in order to get his demands met."
Buchanan said Putin wanted buffer states on Russia's western and southern flanks, and desired no Nato expansion in Ukraine or stationing of Nato troops in these nations.
Parts of Ukraine east of the Dnipro/Dnieper River had a large Russian population, and many of these residents would welcome an incursion from Putin's regime, Buchanan said.
"He can take most of eastern Ukraine without firing a shot ... It will allow him to consolidate the territory north of Crimea."
But Buchanan said many people in western Ukraine were very hostile to Putin.
"Western Ukraine will fight him in a guerilla war that will bog him down for years."
Buchanan said two signs could show an invasion was imminent.
"Most heavy armour is brought in by trains, transferred to flatbed trucks, and then carried by trucks to the staging areas."
Another sign was the movement of water and fuel tankers to the frontline, and mixing them in with battle tank columns.
"What I think this will be is a limited land grab in the east."
Kiev is in the north-central part of the country, on the Dnipro River, which Buchanan said served as an unofficial divide between Ukraine's east and west.
"It will be folly for him to bomb the civilian population of Kiev."
Buchanan said no other country was truly prepared to go to war for Ukraine.
He said the US would be reluctant to engage in armed conflict, partly due to the risks of an escalation to nuclear war.
Buchanan said New Zealand would likely continue making a few statements but he didn't expect the country to take any decisive action if Ukraine was invaded.
"We're going to talk about peace, love and dope and we're going to talk about the rules-based international order."
The NZ Government has called for global efforts to resolve the crisis diplomatically, and said the unprecedented build-up of Russian military forces on the border was concerning.
"Aotearoa New Zealand calls on Russia once more to take immediate steps to reduce tensions and the risk of a severe miscalculation," Foreign Minister Nanaia Mahuta said at the weekend.
The MIQ system had an emergency allocation process for limited situations which required urgent travel to New Zealand within the next 14 days.
Act deputy leader and foreign affairs spokeswoman Brooke van Velden yesterday said she asked Cabinet ministers about MIQ spots for Kiwi Ukrainians but received no response.
"If the Government is asking people in Ukraine to leave, they need to make sure that they have another country to come to for safe haven."