She looked over the quaternion. "To be quite honest, sir, involving your VIP bodyguards in activities of this manner is quite unorthodox." Switching her gaze back to the Royal Engineer, she couldn’t help but notice the sudden elimination of several of their smiles. "The Royal Guard has its own Ordnance Department for fielding tests of military prototypes like what you're proposing. Wouldn't it be better for you to work with ponies from that branch to develop your prototype?"