Two separation maneuvers, an abort and normal staging, were investigated experimentally for a configuration consisting of two equal-size, fully reusable, lifting-entry vehicles mounted in parallel. Three types of tests were performed for the situation of one body separating from the other; 1) single element, to provide basic single-body data 2) traverse, to provide interference data between the two bodies, and 3) captive trajectory, to simulate the actual separation maneuvers. The data indicates that for the abort maneuver, aerodynamic interference effects change the trim angle of attack without affecting stability and increase the normal and axial forces. Aerodynamic forces and moments alone are sufficient to allow recovery from the maneuver. For the normal staging maneuver, aerodynamic interference effects increase the stability of the body as well as the normal and axial forces.