Keywords: MSST 91107 Vertical Insertion.jpg en KANEOHE Hawaii -- Ensign Seth Craven a vertical insertion team leader from Honolulu-based Maritime Safety and Security Team 91107 secures a perimeter after rappelling from a Marine Corps CH-53 helicopter during vertical insertion training at Marine Corps Base Hawaii Thursday Jan 7 2009 A vertical insertion is a maritime-based tactic used to board high interest vessels using the element of surprise http //cgvi uscg mil/media/main php g2_itemId 758725 U S Coast Guard photo by Petty Officer 3rd Class Luke Clayton 2010-01-07 PD-USGov Close Quarters Battle Receiver United States Coast Guard Deployable Operations Group |