BUDS 2nd Phase Dive Tower Instructors carefully guide a student's buoyant ascent from 50 feet depth as he passes the 25 feet diving bell at the dive tower in Coronado, CA. Student fully exhales all air out of his lungs on ascent to ensure that he does not cause an air embolism.

BUDS 2nd Phase Dive Tower Instructor knocks on the window of the 25 foot dive bell to signal the free ascent student to take a deep breath and exit the bell to free ascend to the surface of the dive tower at Coronado, CA. View is from the students perspective inside the 25 foot roving bell.

BUDS 2nd Phase Dive Tower Instructor breath holding at 25 feet hands off the fast ascending student to the next Instructor to guide the remaining ascent to the surface of the 50' Dive Tower at Naval Amphibious Base Coronado CA.

BUD/S 2nd phase student conducts a buoyant ascent from the diving tower bell at 50 foot depth. The student exhales continuously during ascent as the tower instructors monitor at 25 foot and surace level and prepare to control the student's ascent.

Basic Underwater Demolition SEAL (BUDS) training dive tower instructor guides a student as he quickly and buoyantly ascends to the top of the 50 foot dive tower as part of Second Phase dive training.

Three BUD/S dive tower instructors maintain physical contact while transferring a student from the roving dive bell to the 50' dive bell in preparation for conducting 50 foot free swimming ascent training.

Stock Photo of Basic Underwater Demolition/SEAL Training

Basic Underwater Demolition SEAL (BUDS) training dive tower instructor guides a student as he quickly and buoyantly ascends to the top of the 50 foot dive tower as part of Second Phase dive training.

BUD/S 50-Foot Dive Tower

A topside view of the Basic Underwater Demolition SEAL (BUD/S) 50-foot dive tower located near the shoreline at the Naval Amphibious Base located on the Silver Strand in Coronado, CA in 1984.

Student Buoyant Ascent Training

Two Basic Underwater Demolition SEAL (BUDS) training instructors hold on to a buoyanct ascent student as he holds tightly onto the diving bell at 50 feet deep just prior to exhaling and quickly ascending to the surface in the Naval Special Warfare diving tower in Coronado, CA in 1983.

Bouyant Ascent Student - 50' Dive Tower

Buoyant ascent training student, with fully inflated life jacket, exhales and holds tightly to the 50 foot deep dive bell as two BUD/S Instructors watch and hold the student until ready to quickly ascend the 50 feet to the surface of the BUD/S dive tower in Coronado, CA on the Silver Strand in 1984.