[5] On 16 April 2018, Prime Minister Malcolm Turnbull announced that Noonan would succeed Vice Admiral Tim Barrett as Chief of Navy.

[10] On 6 January 2022 he was awarded the Meritorious Service Medal by Singapore's Minister for Defence Ng Eng Hen.

[11] On 23 June 2022 he used his senior position to allow his civilian girlfriend to board HMAS Waller where he proposed and they spent the night together in what was dubbed the "Love sub."

[12] On 5 September 2023, Noonan was appointed a Grand Cross with White Decoration of the Order of Naval Merit by Admiral Teodoro Esteban López Calderón.

[13] On 18 October 2023, Noonan was appointed a member of the Order of the Rising Sun with golden rays (third class) by the Japanese ambassador Kazuhiro Suzuki.