At exactly 3:47 a.m. in the Persian Gulf, 3 Iranian Kilo-class diesel-electric submarines worth over $300 million combined attempted a coordinated torpedo attack on the USS Abraham Lincoln carrier strike group, believing their “Black Hole” stealth capabilities and shallow-water thermal chaos would mask their approach. Iranian naval commanders planned this operation for months, confident that 18 torpedoes launched from 3 submarines would penetrate American defenses through geography and surprise. What happened in the next 3 hours reveals why $5.3 million in Iranian submarine operations was defeated by $1.9 million in American anti-submarine warfare expenditure, and why all 3 submarines were forced to surface in humiliation without scoring a single hit.
This is the untold story of how American P-8A Poseidon maritime patrol aircraft detected Iranian submarine deployment from Bandar Abbas before the first boat submerged, how 40 sonobuoys created an acoustic barrier that tagged both submarines crossing at 3 knots despite anechoic tile coatings, and why a Virginia-class attack submarine stalked one Iranian Kilo for 40 minutes from 2,000 yards without being detected. You’ll discover why destroyer towed arrays and hull-mounted sonar painted both submarines with redundant tracking creating impossible tactical situations, how Mark 54 lightweight torpedoes intercepted all 4 Iranian TEST-71 torpedoes at 11 miles from the carrier, and why one maximum-power active sonar ping from the Virginia-class submarine convinced Iranian captains to surface immediately.
Inside this military documentary analysis:
• Iranian Kilo-class submarine capabilities: anechoic tiles, 3-knot silent running, 18-torpedo loadout
• P-8A Poseidon AN/APY-10 radar detecting submarine deployment 214 miles away pre-dive
• 40-sonobuoy barrier pattern creating acoustic fence detecting 3-knot crossings
• USS Spruance and USS Frank E. Petersen Jr. TB-37 towed arrays tracking submarines
• Virginia-class submarine BQQ-10 sonar suite stalking Iranian Kilo from 2,000 yards undetected
• Mark 54 lightweight torpedo intercepts destroying 4 TEST-71 torpedoes before reaching carrier
• AN/SQS-53C hull-mounted active sonar prosecution forcing submarine surfacing
• Real cost analysis: $5.3M Iranian expenditure vs $1.9M American with zero hits achieved
• Why Persian Gulf shallow-water thermal layers cannot hide submarines from layered ASW networks
Technical Systems Covered:
• Kilo-class submarine: diesel-electric, anechoic tiles, TEST-71 wire-guided torpedoes, $1.1M each
• P-8A Poseidon: AN/APY-10 radar, 129 sonobuoy capacity, satellite data transmission
• Virginia-class submarine: BQQ-10 sonar suite, spherical bow array, wide aperture fiber optic arrays
• TB-37 towed array: 3,000-foot passive listening trailing destroyers
• AN/SQS-53C hull-mounted sonar: active mode low-frequency pings
• Mark 54 lightweight torpedo: 45-knot speed, active sonar seeker, $450K each
• TEST-71 heavyweight torpedo: wire-guided, 23-knot maximum, 11-mile range
• MH-60R helicopter dipping sonar and multi-static sonobuoy arrays
• Link 16 tactical datalink: encrypted real-time submarine track distribution
This engagement definitively proves diesel-electric submarine stealth advantages collapse against layered American anti-submarine warfare networks combining airborne surveillance, sonobuoy barriers, destroyer towed arrays, hull-mounted active sonar, and Virginia-class trailing prosecution. P-8A Poseidon detected submarine deployment before boats submerged—by the time Iranian Kilos crossed into the Strait of Hormuz at 3 knots believing anechoic tiles provided stealth, 40 sonobuoys had created an acoustic barrier tagging both submarines within 90 seconds of crossing while a Virginia-class submarine stalked one boat from 2,000 yards hearing crew conversations through the pressure hull.
Learn why Iran’s $5.3 million submarine operation accomplished zero hits while American $1.9 million defensive expenditure protected the carrier and catalogued complete acoustic signatures for future tracking, how Mark 54 torpedoes intercepted all 4 Iranian TEST-71s at 11-mile range before reaching thermal layers needed for evasion, why one maximum-power active sonar ping from Virginia-class submarine convinced Iranian captains they were being hunted by ghosts they couldn’t hear or escape, and how the Abraham Lincoln maintained unchanged course throughout demonstrating complete tactical indifference to 3-submarine coordinated attack.
Related Topics:
∙ Kilo-class submarine capabilities
∙ Virginia-class attack submarines
∙ P-8A Poseidon maritime patrol
∙ Anti-submarine warfare tactics
∙ Sonobuoy barrier patterns
∙ TB-37 towed array systems
∙ Mark 54 lightweight torpedoes
∙ Persian Gulf submarine operations
∙ AN/SQS-53C active sonar
∙ USS Abraham Lincoln defense
∙ TEST-71 torpedo specifications
∙ Military cost analysis
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