FAV-A04 Sand Bunker Set Construction of temporary fortifications and outposts on desert terrains proved highly difficult, Sand TEs often removed protective armor from their transport vehicles to use as shields. In response, the military introduced light weight riot shields shaped like chevaux de frise called Portable Blast Shields (PB Shields ). Amused soldiers nicknamed PB Shields “Sandbags”, which can be installed on Armored Trailers to improve defenses or used to build temporary “Bunkers”.
