Sure there are, air transport. I believe they have ships in place right there in PR doing air drops right now. Any idea how many flights it would take to equal one semi tractor trailer load? One semi trailer = 80,000lbs Questions mount on size of Puerto Rico relief mission, hospital ship’s inaction To date, the amphibious assault ship Kearsarge and dock landing ship Oak Hill have “conducted eight medical evacuations, 148 airlifts and delivered 44,177 [pounds] of relief supplies and cargo to Puerto Rico and the U.S. Virgin Islands,” U.S. Northern Command said in a statement