Update: 2:20pm EST—
It is interesting to note that during his visit to Puerto Rico in October 2017 in the aftermath of Hurricane Maria, U.S. President Donald Trump sat under this exact same WC-130H during a meeting about the disaster response efforts. You can see the last four digits of the serial, 0968, clearly on the aircraft's nose in the picture below.
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www.thedrive.com/the-war-zone/20590/puerto-rico-national-guard-wc-130h-hurricane-hunter-crashes-in-a-ball-of-fire-in-georgia