Comment:  As Air and Space Forces posts an article about the F100 Engine achieving 30 million hours -- historical look back at GF AFB ND where records were achieved.   Missileers were pretty excited to be there on base for this historic event.  Grand Forks in winter:  ideal super cold allows the engines to perform to the max.

https://www.airandspaceforces.com/30-million-hours-pratt-whitney-f100-engine/

https://www.thisdayinaviation.com/tag/grand-forks-afb/

https://theaviationgeekclub.com/how-the-f-15-streak-eagle-broke-eight-time-to-climb-world-records/

https://www.prattwhitney.com/en/products/military-engines/f100