A cargo inspection system comprising: a vehicle having a surface platform (2701, 2729); a turntable having a bottom portion integrated into the surface platform of the vehicle; a foldable boom structure; a radiation source and a detector array housed in the foldable boom structure, the foldable boom structure comprising a first section physically connected, at its proximal end, via a pivot to a top portion of the turntable, a second section connected to the first section through a first connecting member, and a third section connected to the second section through a second connecting member, characterized in that the folding boom structure has at least three configurations: in a stowed configuration the first section is substantially parallel to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; in a partially deployed configuration the first section is at a non- parallel angle to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; wherein the first, second and third sections are elevated and in a plane which is at an angle to the surface platform; and in a deployed configuration the first section is at a non-parallel angle to the surface platform of the vehicle, the second section is substantially perpendicular to the first section; and the third section is substantially parallel to the first section and perpendicular to the second section; wherein the first, second and third sections are in a second plane which is at a non-parallel angle to the surface platform. a turntable having a bottom portion integrated into the surface platform of the vehicle; a foldable boom structure; a radiation source and a detector array housed in the foldable boom structure, the foldable boom structure comprising a first section physically connected, at its proximal end, via a pivot to a top portion of the turntable, a second section connected to the first section through a first connecting member, and a third section connected to the second section through a second connecting member, characterized in that the folding boom structure has at least three configurations: in a stowed configuration the first section is substantially parallel to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; in a partially deployed configuration the first section is at a non- parallel angle to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; wherein the first, second and third sections are elevated and in a plane which is at an angle to the surface platform; and in a deployed configuration the first section is at a non-parallel angle to the surface platform of the vehicle, the second section is substantially perpendicular to the first section; and the third section is substantially parallel to the first section and perpendicular to the second section; wherein the first, second and third sections are in a second plane which is at a non-parallel angle to the surface platform. in a stowed configuration the first section is substantially parallel to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; in a partially deployed configuration the first section is at a non- parallel angle to the surface platform on the vehicle, the second section is substantially parallel to the first section, and the third section is substantially parallel to the first section and the second section; wherein the first, second and third sections are elevated and in a plane which is at an angle to the surface platform; and in a deployed configuration the first section is at a non-parallel angle to the surface platform of the vehicle, the second section is substantially perpendicular to the first section; and the third section is substantially parallel to the first section and perpendicular to the second section; wherein the first, second and third sections are in a second plane which is at a non-parallel angle to the surface platform.