Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 603. Anticipated Weight Reduction of Structure Constructed With Welded Aluminum Alloy Versus Welded Steel $20.00 603. Anticipated Weight Reduction of Structure Constructed With Welded Aluminum Alloy Versus Welded Steel quantity $20.00 × 576. Large Expandable Antennas for Communications Utilizing the 24-Hour Synchronous Orbit Corridor $20.00 576. Large Expandable Antennas for Communications Utilizing the 24-Hour Synchronous Orbit Corridor 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