2017 The General Program Advisory Committee (G-PAC) has met at GSI on September 19-21, 2017 The General Program Advisory Committee (G-PAC) has met at GSI on September 19-21, 2017. G-PAC evaluated experimental [...] recent advances in construction of the SPARC experiments, new physics ideas, and novel technological developments. Particular emphasis was given to experiment proposals submitted by the members of the SPARC [...] made by Thomas Stöhlker. Here, the emphasis was laid on the importance and complementarity of experiments at the HITRAP, CRYRING, ESR as well as Cave-A facilities. The six presentation were devoted to: