SLS

NASA’s Space Launch System

Man rated Heavy lift rocket

Two variants:

SLS-70

First unmanned test flight due in 2017 (Now delayed until mid-end of 2018)

Second flight around 2021 with a Manned Orion Capsule.

SLS-130 Evolved Configuration

Mid 2020s

For details See NASA SLS (external link)

SLS 70 with Orion Capsule showing possible Heavy lift upgrade path to the SLS-130