ahead of the 2015–16 season, foster moved to rapatona, with whom he had occasionally joined up with in the local port moresby premier league during previous nsl off-seasons. despite losing four matches out of ten in the first stage, the club qualified for the four-team champions playoff in february 2016. however, ahead of the final stage, foster moved to lae city dwellers, and the side qualified for the grand final behind hekari united. after being defeated in all of his previous three grand finals, foster picked up his third domestic title after lae defeated hekari 2–0 in the final. foster was also part of the side's 2016 ofc champions league campaign, scoring in the club's 5–4 defeat to solomon warriors.