"Today, at this stage, I have no doubt that the modernization of our Armed Forces is the number-one priority," he said on Wednesday.
Skvernelis spoke to reporters after Defence Minister Raimundas Karoblis earlier in the day presented a feasibility study into the introduction of universal military conscription to the parliament's Committee on National Security and Defence.
"The defence minister and I agreed that the key thing today is to modernize the armed forces and to rebuild what was destroyed at a time when the national defence system was not only poorly funded, but it was basically left to wither away," the prime minister said.
"Once we accomplish this task, which we have to do by 2020, we will then be able to continue discussions and possibly set ourselves such a goal regarding universal conscription, providing appropriate (budget) allocations," he added.
The Defence Ministry estimates in the study that Lithuania would need around 400 million to introduce universal male conscription and a total of about 1.5 billion euros if young women were to be drafted as well.
The Lithuanian Armed Forces, which currently have 10 battalions, would need to set up four additional battalions to introduce universal male conscription and a total of 14 additional battalions for universal conscription of both men and women.
Universal male conscription would include around 6,300 young men annually, while conscription of both men and women would raise that number to around 12,300 people.
The prime minister said he was sceptical about the idea of making it mandatory for women to serve in the military.
According to the Defence Ministry, the earliest date for universal male conscription could be 2024 if 105 million euros were provided for this purpose annually. Both men and women could be drafted starting in 2026 if 280 million euros were provided yearly.
The money is needed to build new battalions, to ensure that conscripts are provided for and to train additional instructors.
Lithuania reintroduced partial military conscription in 2015. The country is set to meet NATO's 2 percent of GDP defence spending target for the first time this year, with around 873 million euros allocated for the defence budget.
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