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  <title>Fiscal Receipts — F/A -18 Infrared Search and Track (IRST) (0604014N)</title>
  <subtitle>Budget and award signals for program element 0604014N (F/A -18 Infrared Search and Track (IRST)), each with its dollar magnitude and a link to the receipt.</subtitle>
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  <updated>2026-09-27T02:13:17.481Z</updated>
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  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2019) — FY2019 matched obligations $77.2M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2019:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/7760917f"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2019)&lt;/p&gt;&lt;p&gt;FY2019 matched obligations $77.2M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/7760917f&quot;&gt;Receipt: fact 7760917f&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/8d377a73&quot;&gt;FY2019 matched obligations: $77.2M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2019 matched obligations" fy="2019" value="77208354.9" display="$77.2M" fact="8d377a73924fcb0c" href="https://fiscalreceipts.com/fact/8d377a73"/>
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  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2020) — FY2020 matched obligations $49.2M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2020:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/bbf61307"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2020)&lt;/p&gt;&lt;p&gt;FY2020 matched obligations $49.2M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/bbf61307&quot;&gt;Receipt: fact bbf61307&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/9e216182&quot;&gt;FY2020 matched obligations: $49.2M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2020 matched obligations" fy="2020" value="49191494.13" display="$49.2M" fact="9e21618223cea1ac" href="https://fiscalreceipts.com/fact/9e216182"/>
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  </entry>
  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2021) — FY2021 matched obligations $43.8M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2021:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/c8e55c41"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2021)&lt;/p&gt;&lt;p&gt;FY2021 matched obligations $43.8M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/c8e55c41&quot;&gt;Receipt: fact c8e55c41&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/b13e2a28&quot;&gt;FY2021 matched obligations: $43.8M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2021 matched obligations" fy="2021" value="43815106" display="$43.8M" fact="b13e2a288d6cbfa1" href="https://fiscalreceipts.com/fact/b13e2a28"/>
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  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2017) — FY2017 matched obligations $40.5M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2017:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/6152f3f9"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2017)&lt;/p&gt;&lt;p&gt;FY2017 matched obligations $40.5M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/6152f3f9&quot;&gt;Receipt: fact 6152f3f9&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/c4438983&quot;&gt;FY2017 matched obligations: $40.5M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2017 matched obligations" fy="2017" value="40463152" display="$40.5M" fact="c4438983183bdd19" href="https://fiscalreceipts.com/fact/c4438983"/>
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  </entry>
  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2018) — FY2018 matched obligations $33.8M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2018:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/13c94ee3"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2018)&lt;/p&gt;&lt;p&gt;FY2018 matched obligations $33.8M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/13c94ee3&quot;&gt;Receipt: fact 13c94ee3&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/4f92cf63&quot;&gt;FY2018 matched obligations: $33.8M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2018 matched obligations" fy="2018" value="33820945.370000005" display="$33.8M" fact="4f92cf637cbc237e" href="https://fiscalreceipts.com/fact/4f92cf63"/>
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  </entry>
  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2023) — FY2023 matched obligations $8.46M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2023:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/f448134e"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2023)&lt;/p&gt;&lt;p&gt;FY2023 matched obligations $8.46M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/f448134e&quot;&gt;Receipt: fact f448134e&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/87078484&quot;&gt;FY2023 matched obligations: $8.46M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2023 matched obligations" fy="2023" value="8460885" display="$8.46M" fact="87078484637cbae9" href="https://fiscalreceipts.com/fact/87078484"/>
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  </entry>
  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2022) — FY2022 matched obligations $7.38M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2022:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/2515901e"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2022)&lt;/p&gt;&lt;p&gt;FY2022 matched obligations $7.38M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/2515901e&quot;&gt;Receipt: fact 2515901e&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/e3cd20e3&quot;&gt;FY2022 matched obligations: $7.38M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2022 matched obligations" fy="2022" value="7383897.04" display="$7.38M" fact="e3cd20e3168391a2" href="https://fiscalreceipts.com/fact/e3cd20e3"/>
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  </entry>
  <entry>
    <title>F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2024) — FY2024 matched obligations $5.48M</title>
    <id>urn:fiscalreceipts:feed:concentration_shift:0604014N:2024:na</id>
    <updated>2026-09-27T02:13:17.481Z</updated>
    <link rel="alternate" type="text/html" href="https://fiscalreceipts.com/program/0604014N/"/>
    <link rel="related" type="text/html" href="https://fiscalreceipts.com/fact/04636e44"/>
    <category term="concentration_shift"/>
    <content type="html">&lt;p&gt;F/A -18 Infrared Search and Track (IRST) award concentration HHI=10000 (2024)&lt;/p&gt;&lt;p&gt;FY2024 matched obligations $5.48M&lt;/p&gt;&lt;p&gt;&lt;a href=&quot;https://fiscalreceipts.com/fact/04636e44&quot;&gt;Receipt: fact 04636e44&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/fact/ea2183f9&quot;&gt;FY2024 matched obligations: $5.48M&lt;/a&gt; &amp;middot; &lt;a href=&quot;https://fiscalreceipts.com/methodology/#feed-concentration_shift&quot;&gt;Why flagged?&lt;/a&gt;&lt;/p&gt;</content>
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      <fr:point role="to" label="FY2024 matched obligations" fy="2024" value="5479058" display="$5.48M" fact="ea2183f946c9fde1" href="https://fiscalreceipts.com/fact/ea2183f9"/>
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