on july 1, 2015, binay relaunched the united nationalist alliance as the major opposition party at the makati colosseum in makati city days after he resigned from the cabinet of president noynoy aquino, despite the absence of manila mayor joseph estrada which become neutral due to sen. grace poe possible presidential bid. sarangani rep. manny pacquiao, was touted a possible running mate, but being 37 years old at that time, he was barred by the philippine constitution's age requirement of 40 years. senator bongbong marcos was then considered to be his running mate before settling with senator gregorio honasan, who is also the party's vice president.