A couple of readers brought an error to my attention regarding the type of engines used on the Atlas V. The engines are RD-180’s, not RL-10’s as I had originally posted. Thank you for pointing out the error! I’ve corrected the original post.
For those interested in a little more detail on the Atlas V 400 series:
I’m really happy to see people are paying close attention. Please keep the comments coming! I’m getting the hang of running the blog software, and I believe now that the blog comments should be viewable publically.