Major actors in Turkish politics will be reshuffled in the next few months, but defense and political analysts say Prime Minister Recep Tayyip Erdogan’s “almost one-man show” in procure­ment matters will likely remain.

Erdogan, Turkey’s most powerful politician and unchallenged leader since 2002, said on July 1 that he would step down and run for the presidency in a two-round election on Aug. 10 and 24.

It will be the first time for the Turks to elect their president by popular vote, and any candidate would need at least 50 percent of the national vote to win in the first round. The better of two best-performing rivals would be elected regardless of what percentage they receive in the second round. […]