[2] He served in the Lithuanian Armed Forces, in the Grand Duke Algirdas Mechanised Infantry Battalion as a platoon commander, as well as a senior intelligence analyst in the Second Investigation Department, before moving to the reserve.
[4] Jeglinskas was appointed as Vice-Minister of National Defence in February 2017, responsible for defense system procurement, citing his experience in the military and the business world.
[3] During the Russian invasion of Ukraine, he was frequently invited by news outlets to commentate as an expert on national defense.
[6] Jeglinskas was among the potential 2024 presidential election candidates put forward by members of the Union of Democrats "For Lithuania" in November 2023.
[8] In his nomination acceptance speech, he criticized the incumbent president Gitanas Nausėda's lack of cooperation with the government and advocated for higher defense spending.