1.   Protesters invaded the range and camped out there for a year until federal agents forced them out last month.

2.   Protesters invaded the training ground and thwarted exercises for more than a year until U.S. Marshals forcibly removed them in May.

3.   Protesters invaded the range, preventing exercises for a year until U.S. Marshals forcibly removed them last May.

4.   Protesters invaded the target range for a year, preventing maneuvers until an agreement between the Puerto Rican and federal governments allowed U.S. marshals to forcibly remove the militant.

5.   Protesters also invaded a nearby building in the Latin Quarter that once housed the Ecole Polytechnique, another top-flight college, but were later persuaded to leave.

6.   Protesters invaded the grounds of the U.S. Embassy on Saturday to mark the third anniversary of an army massacre of dozens of unarmed civilians in East Timor.

7.   Protesters invaded the range and camped there for a year before federal marshals forcibly removed them and the local government agreed to resume exercises with dummy bombs.

8.   Protesters invaded the range and thwarted exercises for a year until U.S. Marshals ejected them in May.

9.   Protesters invaded the range, preventing further exercises for a year until federal marshals forcibly removed them in May.

10.   Some protesters invaded the range Saturday night after three Navy ships appeared on the horizon apparently to take part in the exercises.