11. They have some inter-group communication ; however, by-and-large, the groups are not engaged in partisan activity. 12. The "'6th Group Communication and Information Systems "'is a military communications unit in the Belgian Armed Forces. 13. The "'10th Group Communication and Information Systems "'is a military communications unit in the Belgian Armed Forces. 14. The "'4th Group Communication and Information Systems "'is a military communications unit in the Belgian Armed Forces. 15. Group calling offers, as an implication of its functionality, alternative opportunities and new settings for group communication . 16. The "'5th Group Communication and Information Systems "'is a military communications unit in the Belgian Armed Forces. 17. Because these software applications facilitate group communication , they are often referred to as Collaborative software or groupware .. 18. The exact reason why sturgeon leap remains unknown, although some scholars believe leaping is a form of group communication . 19. The term "'Group Communication System "'( GCS ) refers to a software platform that implements some form of group communication . 20. On February 28, 2005, Kamber closed The Kamber Group and joined The Carmen Group as president of Carmen Group Communications .