infantry

Oles and his men are in the infantry, serving in the trenches right at the very front of Ukraine's defence.

"These guys want to spend around 60 million on guns and light infantry vehicles and pay with diamonds," he added later.

"Tactics emphasised repeated attacks with dispersed assault groups, using small infantry fire teams, which increased overall casualties relative to terrain gained," he explained.

Born in Tel Aviv but raised in New Jersey, Alexander served in an elite infantry unit on the border with Gaza when he was captured by Hamas militants during the 7 October attack.

Drafted into the Army after graduation, Chamberlain spent 16 months as an infantry company clerk in South Korea.