You are reading it wrong. An MTS is basically a team. There were 3,108 participants allocated to 222 teams. Participants: Our sample consisted of 3108 Captains

You are reading it wrong. An MTS is basically a team. There were 3,108 participants allocated to 222 teams. Participants: Our sample consisted of 3108 Captains in the United States Air Force who participated in a five-week leadership development course. They were randomly assigned to a 14-person MTS (there were 222 systems in our sample) for the duration of the course,