ULA will launch its second Vulcan rocket without a real payload - Ars Technica
- ULA will launch its second Vulcan rocket without a real payload Ars Technica
- ULA delays Dream Chaser space plane launch to certify Vulcan Centaur rocket for US military missions Space.com
- ULA now plans September launch to qualify Vulcan for Space Force missions Breaking Defense
- United Launch Alliance to fly second Vulcan mission in September C4ISRNET
- Boeing-Lockheed Rocket Venture Swaps Payloads for September Launch Bloomberg