Making history
From Kerbal Space Program Wiki
Kerbal Space Program: Making history expansion
Kerbal Space Program: Making History is a upcoming DLC for Kerbal Space Program. It was released on March 13, 2018.[1] The price has been set at $14.99 USD and is available as an expansion to the PC version. All players who bought Kerbal Space Program through to April 30 2013 will have access to the expansion for free. The expansion includes a mission builder, which players can use to create missions, as well as several stock historical missions and a variety of new parts inspired by historic rockets.