7.0 Reaction Phase
The Reaction Phase is a chance for the non-phasing player to disrupt enemy plans with movement, overruns, and barrages. (There is no Combat Segment.)
7.0a The only ground units that can be used in this phase are the non-phasing player’s released Reserve Mode (5.7b ) units. (Exception: Ground units can use Air Transport, per 14.9d.) He can release as many or as few reserves as he wants—see 5.7b for complete details. Released artillery can conduct barrages in the phase’s Barrage Segment.
7.0b Handle barrages and overruns in the Reaction Phase normally.
7.0c The non-phasing player’s ships and Active aircraft are all eligible to be used in this phase.