Analysis of information sources in references of the Wikipedia article "Vickers machine gun" in English language version.
The Vickers machine gun also served the UK during both world wars. Water-cooled, it fired the .303 British cartridge from 250 round fabric belts at 450rpm. This weapon weighed 51 lbs and as designed, had a 3-man team assigned to it. During the Federation of South Arabia's [the predecessor to South Yemen's] short life, it had its own military, called the Federal Army. Its main medium machine gun was the Vickers.
The Vickers machine gun also served the UK during both world wars. Water-cooled, it fired the .303 British cartridge from 250 round fabric belts at 450rpm. This weapon weighed 51 lbs and as designed, had a 3-man team assigned to it. During the Federation of South Arabia's [the predecessor to South Yemen's] short life, it had its own military, called the Federal Army. Its main medium machine gun was the Vickers.