He served as Director General Operations from 2013 to 2015 before being appointed Deputy Chief of Staff and the Commander Eastern Naval Area in 2015/2016.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: He served as Director General Operations from 2013 to 2015 before being appointed Deputy Chief of Staff and the Commander Eastern Naval Area in 2015/2016. ### Response: .