200422-N-HC646-0040 OAK HARBOR, Wash. (April 22, 2020) Capt. Matt Arny, commanding officer of Naval Air Station Whidbey Island revisits Earth Day's 2019 Thundercloud Flowering Plum sapling planted last year on Ault Field. Earth day is an annual event celebrated worldwide to demonstrate support for environmental protection and conservation. (U.S. Navy photo by Mass Communication Specialist 2nd Class Marc Cuenca/Released)