Micronesian Soldier Dies in Iraq

The DoD reports:

Sgt. Skipper Soram, 23, of Kolonia Pohnpei, Federated States of Micronesia, died Sept. 22 in Baghdad, Iraq, when a vehicle-based improvised explosive device detonated near his security post. Soram was assigned to 3rd Battalion, 82nd Field Artillery Regiment, 1st Cavalry Division, Fort Hood, Texas.

According to the CIA Factbook, Micronesia is under US administration:

In 1979 the Federated States of Micronesia, a UN Trust Territory under US administration, adopted a constitution. In 1986 independence was attained under a Compact of Free Association with the US. […]
FSM is totally dependent on the US for its defense

That must mean that their citizens can fight in the US military. Is this a symptom of poor recruitment results or a long-standing tradition?