Executive officer
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The Executive Officer (more commonly known as the XO) is the second in command aboard a Colonial Fleet vessel and is responsible for all operations. The rank normally held by the CO is Major or Colonel.
Executive Officer, of battlestar Galactica
- Colonel Saul Tigh (Miniseriesto Lay Down Your Burdens, Part II)
- Lieutenant Karl Agathon (Lay Down Your Burdens, Part II to Exodus, Part II)
- Colonel Saul Tigh (Resumes his position as of Collaborators)
Executive Officer, of battlestar Pegasus
- Colonel Jack Fisk (("Pegasus" to (Resurrection Ship, Part II)
- Colonel Barry Garner (Resurrection Ship, Part IIto Black Market)
- Major Lee Adama (The Captain's Hand)
- Leiutenant Anastasia Dualla (Lay Down Your Burdens, Part II to Exodus, Part II)
Note
Executive Officer is a military term in this context, used in several branches of the armed forces worldwide (naval, marine, air force). Certain forces, such as the British Army use the term "2i/c" (signifying second in command) or "First Officer" in preference to "XO."