The military administration at the PNS Iqbal also facilitates the advance training of the selected personnel of the Navy special Service Group to be trained with the U.S. Navy SEALs in California and Virginia. SEALs Teams in the Special Services Group (SSGN) The Navy Special Service Group is composed of the three sub-commands: CO PNS Iqbal, CO SEAL Group, and CO VBSS Group— all are trained in their specialized tasks and considered specialists in the specific type of war operations. The maritime authors and historians of the Pakistan Navy have provided the rough and the guessed estimation of personnel which was neared around 1,000 SSGN operatives but the department of navy has never issued an actual strength number of its personnel serving in the Navy Special Service Group. The official strength and the identities of its personnel serving in each sub-commands are subjected to the secrecy by the department of navy and the Defense ministry has never commented or the Navy itself has never issued the official number of strength of its personnel, including the officers commanding, citing security. In the Navy, the commands of the teams varies by the officer ranking from OF-2 rank (lieutenant) to OF-5 rank (commander), depending on the availability and the difficulty posed by the missions. Sources: Selection process and training Qualification and military physicals According to the Pakistan Navy's Medical Corps reports and the media documentaries, the selection is extremely competitive and demands the strong physical conditioning from their prospective candidates prior admitting into the Navy Special Service Group. The Navy Special Service Group's qualification and military physical standards are akin and reflects the selection criteria of the United States Navy SEALs selection and training, according to Commander Kashif—the senior trainer in the Navy SEAL Team's interview given to Takrar (lit. Confrontation) host Imran R. Khan. Those prospective candidates who have very high regards of their self respect and their selfless commitment to serve the country only, anytime their services are needed by the Navy for the area deployment, are the only intakes in the Navy Special Service Group, commented by V-Adm. (retd.) S. Tauquir Naqvi—the retired SEAL Team member and the former commander of the Navy SSG. Drop out attrition rates from the physical standards of the Navy is average between the 80-to-90%, matching the Army Special Service Group's drop rate in Cherat Those who have failed the mental and physical requirements are