Sitting under the shadow of an ancient ziggurat said to be o

Sitting under the shadow of an ancient ziggurat said to be one of the oldest structures on earth,it now houses some of the players in earth’s most recent war.Among them,members of the Air Force’s 332nd Expeditionary Search and Rescue Squad,the legendary Jolly Greens.
请问句中的Expeditionary Search and Rescue Squad如何翻译,Jolly Greens是不是有什么特殊的含义?