In case you missed the caption; that is the routine annual meeting of the high military council and has nothing to do with the flotilla incident. It is customary for 16 flags to be displayed as a reference to the 16 Turkish states in history. Typical American attitude to arrogantly assume everything as they wish without bothering to look into the facts.
U.S., allies conduct 1 air strike in Syria and 11 in Iraq against ISIS militants (Reuters)
from the article: Turkey sets up own Gaza flotilla inquiry