Business jets are popular in militaries around the world for not only VIP transport but also as the basis of AWACS aircraft (like the EA-37B) and maritime patrol aircraft. The Gulfstream V serves in the United States Air Force under the designation C-37A. Here are somethings to know about the Air Force’s Gulfstream V and Gulfstream G550 business jets used for VIP transport of government officials and high ranking members of the military.