generate questions: During this period, the Weapons Station was the Atlantic Fleet's loadout base for all nuclear ballistic missile submarines. Two SSBN "Boomer" squadrons and a submarine tender were homeported at the Weapons Station, while one SSN attack squadron, Submarine Squadron 4, and a submarine tender were homeported at the Naval Base. At the 1996 closure of the station's Polaris Missile Facility Atlantic (POMFLANT), over 2,500 nuclear warheads and their UGM-27 Polaris, UGM-73 Poseidon, and UGM-96 Trident I delivery missiles (SLBM) were stored and maintained, guarded by a U.S. Marine Corps security force company.
What year was the Polaris Missile Facility Atlantic station closed? {sep_token} How many nuclear warheads were stored at the Polaris Missile Facility Atlantic station? {sep_token} How many SSBN "Boomer" squadrons were homeported at the Weapons Station? {sep_token} Submarine Squadron 4 is homeported at what type of military base? {sep_token} What type of security force guards the 2500 nuclear warheads? {sep_token}