Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 610. Structural Weight Estimation Methods for Small Air Launched Missiles $20.00 610. Structural Weight Estimation Methods for Small Air Launched Missiles quantity $20.00 × 580. Estimation of Wing Box Weights Required to Preclude Aero-Elastic Instabilities $20.00 580. Estimation of Wing Box Weights Required to Preclude Aero-Elastic Instabilities quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $40.00 Tax $0.00 Total $40.00 Proceed to checkout