Collapsible tubular mast (CTM) with surface material between trusses

A deformable support apparatus, which comprises:

• a deformable body configured to transition between at least an extended state and a contracted state, a stiffness of the deformable body in the extended state being greater than a corresponding stiffness of the deformable body in the contracted state, the deformable body including a first member and a second member coupled to and in opposition to the first member, the first member and the second member arranged about a longitudinal axis;
• wherein in the extended state, the first member having at least a first curved portion and the second member having at least a second curved portion;
• and
• wherein the at least a first curved portion is a positive curved portion with respect to the longitudinal axis and the at least a second curved portion is a negative curved portion with respect to the longitudinal axis.