Velcro EELV's is a building-block treatment of the USAF's two standard launch vehicles. Launch payloads, or use the strap-ons, cores, and upper stages, for a project of your own!
Delta IV meshes by DaveS.
Atlas V meshes by Travmind, and are borrowed from his Multistage-based Atlas add-on for an earlier Orbiter version.
You MUST INSTALL the Velcro Rockets add-on (www.orbithangar.com/searchid.php) for this add-on to work.