https://www.airandspaceforces.com/tag/b-21-main-operating-base/
B-21 main operating base Archives | Air & Space Forces Magazine
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https://www.nato.int/en/news-and-events/articles/news/2020/11/12/fifth-phoenix-aircraft-arrives-at-the-ags-main-operating-base
Fifth Phoenix aircraft arrives at the AGS Main Operating Base | NATO News
On 12 November 2020 the fifth and last NATO Alliance Ground Surveillance (AGS) aircraft arrived at the AGS Main Operating Base in Sigonella, Italy. The arrival...
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https://www.defensie.nl/vraag-en-antwoord/wat-is-een-main-operating-base-mob
Wat is een main operating base (MOB)? | Defensie.nl
Een main operating base (MOB) is de thuisbasis voor een bepaalde soort vliegtuigen of helikopters.
main operating basewat iseenmobdefensie