Originally Posted by US Marine

1st Special Forces Operational Detachment-Delta (1st SFOD-D) as it's formally called. I have a friend who's a senior in highschool and he wants to become delta force. I know it's a highly secretive counter terrorist force, considered the best in the world and that it's basically America's SAS but I don't know what you have to do to become one. Anyone got any info I can give him to help him out?