---
kind: "section"
citation: "6 U.S.C. § 1156"
title: "6"
title_heading: "Domestic Security"
number: "1156"
heading: "Nuclear material and explosive detection technology"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/6/1156"
units:
  - "Chapter 4 — Transportation Security"
  - "Subchapter IV — Surface Transportation Security"
  - "Part A — General Provisions"
---

# §1156. Nuclear material and explosive detection technology


The [Secretary](/usc/6/1101.md?p=2), in coordination with the [Director](/usc/6/677a.md?p=3) of the National Institute of Standards and Technology and the head of each relevant Federal [department](/usc/6/1101.md?p=1) or [agency](/usc/6/671.md?p=1) researching nuclear material detection systems or explosive detection systems, shall research, facilitate, and, to the extent practicable, deploy next generation technologies, including active neutron interrogation, to detect nuclear material and explosives in [transportation](/usc/6/1151.md?p=11) systems and [transportation](/usc/6/1151.md?p=11) facilities.


## Source credit

(Pub. L. 115–254, div. K, title I, § 1984, Oct. 5, 2018, 132 Stat. 3621.)

## Notes

### Editorial Notes

### Codification

Section was enacted as part of the TSA Modernization Act and also as part of the FAA Reauthorization Act of 2018, and not as part of the Implementing Recommendations of the 9/11 Commission Act of 2007 which comprises this chapter.

### Statutory Notes and Related Subsidiaries

### Definition

For definition of “Secretary” as used in this section, see section 1902 of Pub. L. 115–254, set out as a note under section 101 of Title 49, Transportation.