Staff Sgt. Adam Jacks became the first single-limb amputee to pass the grueling Marine Combat Instructor of Water Survival course on Nov. 25. - Staff Sgt. Adam Jacks became the first single-limb amputee to pass the grueling Marine Combat Instructor of Water Survival course on Nov. 25.
Marines float and tread water during their swim qualification in the Ramer Hall pool at The Basic School on Feb. 4. Marines are able to tread water or use their blouse or trousers as a floatation device. - Marines float and tread water during their swim qualification in the Ramer Hall pool at The Basic School on Feb. 4. Marines are able to tread water or use their blouse or trousers as a floatation device.