TINIAN, Commonwealth of the Northern Mariana Islands (Sept. 23, 2020) Lt. j.g. Joshua Jepsen, officer-in-charge of Underwater Construction Team (UCT) 2 Construction Dive Detachment ALFA, calibrates an ultrasonic thickness tester to test conditions of steel sheet pile within the Tinian Harbor. UCT 2 is conducting inspections in part of a Maritime Infrastructure Assessment (MIA) of the Tinian Harbor and surrounding waterfront facilities during their 20-2 INDOPACOM deployment. UCT 2 provides a capability for construction, inspection, repair, and maintenance of ocean facilities in support of Naval and Marine Corps operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Cole C. Pielop)