International RelationsSecurity
News 0 of 33

U.S. Defense Stockpiles Depleted in Iran Conflict: 158 THAAD, 139 PAC-3 Missiles Used in 6 Days, Costing $16.5 Billion

Target:UPSC GS-IIMPSCTeachingSSC GAPrelims HighMains High
25 Mar 2026
~2 min
Source: The Hindu
Key Data:158 THAAD interceptors139 PAC-3 MSE missilesCost $16.5 billion (12 days)NIR >90% for Antimony/GalliumOver 1,400 ballistic missilesOver 3,400 drones
Bodies:U.S. Department of DefenseCenter for Strategic and International Studies (CSIS)United States Geological Survey (USGS)Jewish Institute for National Security of America (JINSA)
Practice MCQs from today's news ▸
What This Article Covers

1.The article analyzes the hypothetical military and financial strain on the U.S. in a prolonged conflict with Iran, highlighting the rapid depletion of key missile defense systems and high monetary costs.

2.Key data includes the use of 158 THAAD interceptors (25% of total prior stock) and 139 PAC-3 MSE missiles in just six days, with Operation Epic Fury costing $16.5 billion in its first 12 days.

3.The analysis exposes vulnerabilities in the U.S. defense supply chain, particularly its heavy reliance on China for critical minerals like antimony, gallium, germanium, and tungsten, which are essential for modern weaponry.

The Big Picture
Prelims · HighMains · High

The hypothetical US-Iran conflict reveals critical constraints on US military power, including rapid depletion of advanced missile stockpiles, multi-billion dollar emergency sales to Gulf allies, and supply-chain vulnerabilities in critical minerals. This analysis is crucial for understanding modern warfare economics and the strategic implications of great power conflict for IR and Security sections.

Exam Lens

Quick Exam Facts From News

THAAD Interceptors Used (6 days)158
PAC-3 MSE Missiles Used (6 days)139
Cost of Operation Epic Fury (12 days)$16.5 billion
Emergency Sale to UAE & Kuwait$16.46 billion
Iran's Ballistic Missiles (Feb 28-Mar 23)Over 1,400
Iran's Drones Launched (Feb 28-Mar 23)Over 3,400
U.S. Net Import Reliance on Antimony>90%
U.S. Net Import Reliance on Gallium>90%

1-Minute Revision

  • ›THAAD Interceptors Used (6 days): 158
  • ›PAC-3 MSE Missiles Used (6 days): 139
  • ›Target this Data: 158 THAAD interceptors used in 6 days (25% of all previous procurements till FY24).
  • ›Target this Data: U.S. Net Import Reliance (NIR) for Antimony and Gallium exceeds 90%.
  • ›Target this Nodal Body: Center for Strategic and International Studies (CSIS) - the think tank providing cost analysis.
  • ›Target this Treaty/Policy: Emergency military sales waiver by the U.S. Secretary of State.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

According to the article, which U.S. official waived the requirement of Congressional approval for emergency military sales to UAE and Kuwait?

Q2Statement-basedHard

Consider the following statements regarding the U.S. defense scenario discussed in the article:

1. The estimated cost of 'Operation Epic Fury' was $16.5 billion by its 12th day.

2. The U.S. has a Net Import Reliance (NIR) of greater than 50% for the mineral Tungsten.

3. Replacing the THAAD interceptors used in the first six days of the conflict would cost approximately $3 billion.

Which of the statements given above is/are correct?

Q3Data-centricMedium

According to the article, what was the value of the biggest single 'emergency' military sale item approved for Kuwait?

Q4Application/ImpactMedium

What is the primary strategic concern highlighted by the U.S.'s high Net Import Reliance for minerals like Antimony and Gallium?

All 25 MCQs ▸
You finished this topic
Explore Related Topics
Related Current Affairs
Intl. Relations Current Affairs

North Korea Launches 10 Ballistic Missiles; Seoul Estimates 80–120 Warheads vs Trump’s 57

North Korea launched 10 short-range ballistic missiles on August 20, 2026, escalating tensions just as US President Trump seeks to revive diplomacy with Kim Jong Un. Meanwhile, South Korea’s Defence Ministry estimates the North’s nuclear arsenal at 80–120 warheads—more than double Trump’s claim of 57—highlighting a major intelligence gap with strategic implications for regional stability and non-proliferation.

Intl. Relations Current Affairs

Pakistan Army Chief Visits Iran: Talks on Reopening Strait of Hormuz, De-escalation of US-Iran Conflict

Pakistan's Army Chief visited Iran to discuss reopening the strategically vital Strait of Hormuz and de-escalating the US-Iran conflict. The strait, through which a fifth of global oil passed before the conflict began, remains choked. This visit is part of Pakistan's broader mediation efforts, having previously acted as a guarantor for an interim peace agreement that has since derailed.

Intl. Relations Current Affairs

US-Venezuela Oil Deal: US to Control 65 Billion Barrels of Venezuelan Reserves

US President Trump announced a landmark oil agreement with Venezuela, securing US control over 65 billion barrels of proven oil reserves. This deal, described as the 'biggest oil deal in world history', aims to cut US gas prices and reshape US-Venezuela relations after the capture of President Maduro.

Intl. Relations Current Affairs

Xi-Trump Meet 2026: $14 Billion US Arms Package for Taiwan Tests One-China Red Line

During Xi Jinping's US visit, Taiwan emerges as the central flashpoint. The US has paused a record $14 billion arms package to Taiwan, while Trump's ambiguous stance on defending Taiwan worries allies. This meeting tests China's red line and could reshape US-China strategic stability, impacting global semiconductor supply chains and India's security calculus.

Intl. Relations Current Affairs

Pakistan, Saudi Arabia, Turkey Sign Trilateral Defence Pact in Jeddah Amid Iran Conflict

Pakistan, Turkey, and Saudi Arabia have signed a trilateral defence agreement in Jeddah, creating a new Sunni-majority security axis as the Iran conflict reshapes Middle East alliances. The pact, signed by Erdogan, Sharif, and MBS, comes amid Gulf security vulnerabilities and Strait of Hormuz disruptions. India will closely watch this development given Turkey's growing defence ties with Pakistan.

Intl. Relations Current Affairs

India Signs LOA for US Javelin ‘Fire-and-Forget’ Anti-Tank Missile System via FMS

India has signed a Letter of Offer and Acceptance (LOA) for the US Javelin anti-tank guided missile system under the Foreign Military Sales (FMS) process. The fire-and-forget missile, with a range of 2.5 km and top-attack capability, is a proven battlefield asset, notably used by Ukraine to counter Russian tanks. This deal strengthens US-India defence ties and opens co-production possibilities.

Intl. Relations Current Affairs

US-Venezuela Oil Deal: 65 Billion Barrels Reserved Amid Iran War & Energy Security Crisis

President Trump announces a historic deal with Venezuela to control 65 billion barrels of oil reserves, aiming to lower US gas prices amid the Iran war disrupting global oil supply. The agreement, negotiated by Secretary Rubio and Defense Secretary Hegseth with interim President Rodriguez, marks a major shift in US-Venezuela relations after the capture of Maduro.

Intl. Relations Current Affairs

US-Venezuela Oil Deal: US Gains 65 Billion Barrels of Heavy Sour Crude Reserves

The US has announced majority control over 65 billion barrels of Venezuelan oil reserves, marking the 'biggest oil deal in world history'. This is driven by the need to feed US Gulf Coast refineries designed for heavy sour crude, which the US light sweet shale oil cannot replace. The deal also has major geopolitical implications for Chinese and Russian investments in Venezuela.