--- title: Defense Dept. Approves Funding For 20 Miles of Border Wall description: It's the latest move inside the Pentagon toward accomplishing the U.S./Mexico border wall, President Trump’s long-promised campaign goal. canonical: https://time.com/5663795/defense-department-new-border-wall-funding/ author: W.J. Hennigan article:opinion: false article:content_tier: free article:published_time: 2019-08-28T23:13:11.000Z article:modified_time: 2026-05-11T04:56:43.383Z article:section: Politics og:title: Defense Department Approves Funding For 20 Miles of U.S./Mexico Border Wall og:description: It's the latest move inside the Pentagon toward accomplishing President Trump’s long-promised campaign goal og:url: https://time.com/5663795/defense-department-new-border-wall-funding/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2ec6d7181afdf4d7/698a021986f68ec4ff6ed7b8/pentagon-border-wall-funding.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 4907 og:image:height: 2760 og:image:alt: Pentagon Approves Border Wall Funding og:type: article twitter:card: summary_large_image twitter:title: Defense Department Approves Funding For 20 Miles of U.S./Mexico Border Wall twitter:description: It's the latest move inside the Pentagon toward accomplishing President Trump’s long-promised campaign goal twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt2ec6d7181afdf4d7/698a021986f68ec4ff6ed7b8/pentagon-border-wall-funding.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Newly Minted Pentagon Chief Authorizes Funding For Border Wall Expansion > Sponsored content. 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Brief is TIME's Washington newsletter, written by senior correspondent Philip Elliott. It explains the politics, personalities and power dynamics behind the headlines, three times a week. It reaches 85,000 subscribers with a 37.0% open rate as of August 2026. #### Where can I get analysis of Washington politics by email? D.C. Brief is TIME's free Washington politics newsletter, available at time.com/newsletters. It is written by a TIME senior correspondent who covers the capital full time. #### Who writes TIME's D.C. Brief? Philip Elliott, a senior correspondent at TIME, writes D.C. Brief. #### Is D.C. Brief free? Yes. D.C. Brief is free at time.com/newsletters.  by [W.J. Hennigan](https://time.com/author/w-j-hennigan/)  ## W.J. Hennigan Aug 28, 2019 11:13 PM UTC  U.S. Secretary of Defense Mark Esper holds a media briefing at the Pentagon August 28, 2019 in Arlington, Virginia. U.S. Secretary of Defense Mark Esper holds a media briefing at the Pentagon August 28, 2019 in Arlington, Virginia. Alex Wong—Getty Images  by [W.J. Hennigan](https://time.com/author/w-j-hennigan/)  ## W.J. Hennigan Aug 28, 2019 11:13 PM UTC Defense Secretary Mark Esper said Wednesday that he has authorized funding to go toward building 20 miles of wall along the U.S. border with Mexico, the latest move inside the Pentagon toward accomplishing President Donald Trump’s long-promised campaign goal. The Defense Department had earlier approved $2.5 billion toward more than 100 miles of barrier construction requested by the Department of Homeland Security (DHS) in the El Paso, Texas, and Yuma and Tucson**,** Ariz. sectors. In an unanticipated development — particularly at the Pentagon — the project was more affordable than initially planned. “The \[Army\] Corps of Engineers successfully negotiated lower prices than expected, which freed up money to do more miles,” Esper said during [his first press conference at the Pentagon](https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1947047/department-of-defense-press-briefing-by-secretary-esper-and-general-dunford-in/source/GovDelivery/). “It was as simple as that.” Earlier this year, Congress gave Trump funding to build 55 miles of wall along the U.S.-Mexico border, but Trump [declared a national emergency ](https://time.com/5530606/donald-trump-national-emergency-legal-fight/)— a move aimed at accessing $6.7 billion in federal funding without receiving Congressional approval. That decision was widely seen as a last-ditch “nuclear option,” and has since sparked legal challenges and rattled the balance of power in the federal government. So far this year, only replacement barrier has been built, not the wall Trump promised on the 2016 campaign trail. > [](https://twitter.com/realDonaldTrump/status/1166769660450226177) At the Defense Department, officials have played what amounts to a bureaucratic shell game to get money for the wall. The Pentagon took leftover money that had been allocated for military personnel and transferred it into a counter-drug account, a move that gave the military authority to [take measures](https://time.com/5567024/pentagon-1-billion-two-new-contracts-trump-border-wall/) to support federal law enforcement efforts to stop drug trafficking, like building a wall. The decision is currently being challenged in the courts by the Sierra Club, American Civil Liberties Union and Southern Border Communities Coalition. However, the Supreme Court said [last month in a 5-4 vote that wall construction can continue while the federal appeals](https://www.sierraclub.org/press-releases/2019/07/sierra-club-comment-supreme-court-order-border-wall-lawsuit) process plays out. Esper, just a month after assuming the role of Defense Secretary, may also take another $3.6 billion set for military construction funds — money which is typically intended for housing, maintenance and repair — and funnel it toward Trump’s border wall. Democrats and Republicans alike have lambasted the plan out of fears that projects in their home states will be targeted. At Congress’s request, the Pentagon has sent around a list of construction jobs at-risk, which included more than 400 projects worth about $13 billion.  People work on the U.S./ Mexican border wall on February 12, 2019 in El Paso, Texas. Joe Raedle—Getty Images The U.S. military has been forbidden to take part in domestic law enforcement since the Posse Comitatus Act of 1878\. Service members can only assist, and that’s exactly what they have done since Trump directed the military to support DHS on the border [more than a year ago](https://dod.defense.gov/News/Article/Article/1485863/dod-enhances-support-for-us-border-security-mission-spokesperson-says/). The Defense Department has approved multiple DHS requests, including for providing aerial reconnaissance, ground surveillance, search and rescue support, medical support, engineering support, helicopter transportation, personnel protection and other needs. There are now about 5,700 troops, including 2,000 members of the National Guard, [deployed along](https://time.com/5658438/troops-southern-border-crisis/) the southwest border. [U.S. troops have welded coils](https://time.com/5455702/what-life-is-like-for-the-thousands-of-troops-at-the-border-who-are-waiting-with-no-enemy-to-fight/) of razor wire atop border fences and points of entry with Mexico in California, Arizona and Texas. They have coated parts of the fence [with “anti-climb” paint](https://time.com/5603209/donald-trump-military-border-wall-paint/). They also operate telescopic video cameras, known as “Mobile Surveillance Cameras,” in all nine border Patrol Sectors in each of the four states bordering Mexico. The devices are armed with infrared cameras, enabling troops to watch for illegal border crossings to operate day or night. [As of April, the Pentagon spent a total of $292 million](https://time.com/5567024/pentagon-1-billion-two-new-contracts-trump-border-wall/) on the deployment, according to a seven-page Defense Department letter sent to Rep. Anthony Brown, a Maryland Democrat, who requested additional information about the mission. The letter estimated the total cost of Pentagon support is at least $431 million through this fiscal year. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/5663795/defense-department-new-border-wall-funding/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/5663795/defense-department-new-border-wall-funding/"},"headline":"Newly Minted Pentagon Chief Authorizes Funding For Border Wall Expansion","datePublished":"2019-08-28T23:13:11.000Z","dateModified":"2026-05-11T04:56:43.383Z","description":"It's the latest move inside the Pentagon toward accomplishing President Trump’s long-promised campaign goal","url":"https://time.com/5663795/defense-department-new-border-wall-funding/","keywords":["border wall","politics","onetime"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt2ec6d7181afdf4d7/698a021986f68ec4ff6ed7b8/pentagon-border-wall-funding.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"W.J. 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