A kinda flyable almost scale model of the famous X-15. This pack comes with the X-15, a custom mother ship to bring it to altitude, and the two of them combined.
Yes you need mods. Will I give them to you? No, but the internet will. Here's where you can find them:
Adjustable landing gear: https://kerbalstuff.com/mod/321/Adjustable Landing Gear
B9 Aerospace Procedural Parts: https://kerbalstuff.com/mod/515/B9 Aerospace Procedural Parts
Vanguard Technologies | EVA parachutes: http://forum.kerbalspaceprogram.com/threads/25305-1-0-Vanguard-Technologies-EVA-parachutes-still-works
And possibly KW rocketry (I really don't remember if I used it or not): http://www.curse.com/ksp-mods/kerbal/220894-kw-rocketry-v2-7