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H.R. 4704
U.S. House•In House Committee
Summary
H.R. 4704, the ROTOR Act, was introduced in the House on Jul 23, 2025 by Rep. Richard McCormick (R) with 20 co-sponsors. It was referred to Armed Services, and last saw action on Jul 23, 2025: Referred to the House Committee on Armed Services.
Record
Text
H.R. 4704 has 20 co-sponsors.
hb4704/introduced-in-house.txt119 HR 4704 IH: Rotary-wing Operator Toxic Occupational Research ActU.S. House of Representatives2025-07-23text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 4704 IN THE HOUSE OF REPRESENTATIVES July 23, 2025 Mr. McCormick (for himself, Mr. Deluzio , Mr. Pfluger , Mr. Davis of North Carolina , Mr. Wittman , Mr. Moulton , Mrs. Kiggans of Virginia , Mr. Bacon , Mr. Khanna , Mr. McCaul , Mr. Golden of Maine , and Mr. Finstad ) introduced the following bill; which was referred to the Committee on Armed Services A BILLTo direct the Director of the Defense Health Agency to conduct a study on the prevalence and mortality of cancer among military rotary wing pilots and aviation support personnel, and for other purposes.1.Short titleThis Act may be cited as the Rotary-wing Operator Toxic Occupational Research Act or the ROTOR Act .2.Study on prevalence and mortality of cancer among military rotary-wing pilots and aviation support personnel(a)Study requiredThe Director of the Defense Health Agency, in coordination with the Directors of the National Institutes of Health and the National Cancer Institute, shall conduct a study among covered individuals in two phases as provided by this section.(b)Initial phase of study(1)Goal of initial phaseUnder the initial phase of the study under subsection (a), the Director of the Defense Health Agency shall determine, for each cancer specified in paragraph (2), whether there is an increased prevalence of, or increased rate of mortality caused by, such cancer for covered individuals as compared to similarly aged individuals in the general population (or, in the case of the cancer specified in paragraph (2)(B), for female covered individuals as compared to similarly aged women in the general population).(2)Cancers specifiedThe cancers specified in this paragraph are the following:(A)Brain cancer.(B)Breast cancer.(C)Colon and rectal cancer.(D)Kidney cancer.(E)Lung cancer.(F)Melanoma.(G)Non-Hodgkin’s lymphoma.(H)Ovarian cancer.(I)Pancreatic cancer.(J)Prostate cancer.(K)Testicular cancer.(L)Urinary bladder cancer.(3)Report on initial phaseNot later than one year after the date of the enactment of this Act, the Director of the Defense Health Agency shall submit to the appropriate congressional committees a report on the findings of the phase of the study under this subsection.(c)Second phase of study(1)Goal of second phaseIf, pursuant to the phase of the study under subsection (b), the Director of the Defense Health Agency determines there is an increased prevalence of, or increased mortality rate caused by, any cancer specified in subsection (b)(2) among covered individuals (or, with respect to the cancer specified in subsection (b)(2)(B), among female covered individuals), the Director shall conduct a second phase of the study to—(A)identify any carcinogenic toxin or other hazardous material associated with the operation of military rotary-wing aircraft, such as fumes, fuels, or other liquids;(B)identify any operating environment, including frequencies or electromagnetic fields, in which covered individuals may have received excess exposure to non-ionizing radiation in the course of such operation, including non-ionizing radiation associated with airborne, ground, or shipboard radars; and(C)identify potential exposures as a result of military service by covered individuals to carcinogenic toxins or other hazardous materials not associated with the operation of military rotary-wing aircraft (such as exposure to burn pits, toxins in contaminated water, or toxins embedded in soils), including by determining—(i)the locations of such service; and(ii)any duties of covered individuals unrelated to such operation and associated with an increased prevalence of, or increased mortality rate caused by, cancer.(2)Report on second phaseIf the Director of the Defense Health Agency conducts the phase of the study under this subsection, not later than one year after the date on which the Director submits the report under subsection (b)(3), the Director shall submit to the appropriate congressional committees a report on the findings of such phase.(3)Data formatThe Director of the Defense Health Agency shall format any data resulting from the phase of the study under this subsection consistent with the formatting of data under the Surveillance, Epidemiology, and End Results program, including by disaggregating such data by race, gender, and age.(d)Sources of dataIn conducting the study under this section, the Director of the Defense Health Agency shall use data from—(1)the database of the Surveillance, Epidemiology, and End Results program;(2)the study conducted under section 750 of the National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ; 134 Stat. 3716); and(3)any other study previously conducted by the Secretary of a military department that the Director determines relevant for purposes of this section.(e)DefinitionsIn this section:(1)The term appropriate congressional committees means—(A)the Committee on Armed Services and the Committee on Veterans’ Affairs of the House of Representatives; and(B)the Committee on Armed Services and the Committee on Veterans’ Affairs of the Senate.(2)The term covered Armed Force means the Army, Navy, Marine Corps, Air Force, or Space Force.(3)The term covered individual means any individual who—(A)served in a covered Armed Force on or after February 28, 1961, as an aircrew member of a rotary-wing aircraft (including as a pilot or aviation support personnel), without regard to the status, position, rank, or grade of the individual within such crew; and(B)receives health care benefits under chapter 55 of title 10, United States Code.(4)The term Surveillance, Epidemiology, and End Results program means the program of the National Cancer Institute referred to in section 399B(d)(1) of the Public Health Service Act ( 40 U.S.C. 280e(d)(1) ), or any successor program.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-07-23
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To direct the Director of the Defense Health Agency to conduct a study on the prevalence and mortality of cancer among military rotary wing pilots and aviation support personnel, and for other purposes.
Sponsors
Rep. Richard McCormick (R) sponsors H.R. 4704, and 20 members have co-sponsored it, 11 of them from the day it was introduced.

Rep. · R–GA-6 · Sponsor
Introduced Jul 23, 2025

Rep. · R–NE-2 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · D–NC-1 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · D–PA-17 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · R–MN-1 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · D–ME-2 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · D–CA-17 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · R–VA-2 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · R–TX-10 · Co-sponsor
Joined Jul 23, 2025 · Original

Rep. · D–MA-6 · Co-sponsor
Joined Jul 23, 2025 · Original
Committees
H.R. 4704 went before 1 committee: Armed Services.
Actions
H.R. 4704 has taken 2 actions since Jul 23, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jul 23, 2025 | House | Introduced in House | ||
Jul 23, 2025 | House | Referred to the House Committee on Armed Services.Armed Services Committee |
Votes
H.R. 4704 has not gone to a roll call.
Related bills
1 bill is related to H.R. 4704.
Titles
H.R. 4704 goes by 4 titles, 2 of them short titles.
- ROTOR Act — Display Title
- To direct the Director of the Defense Health Agency to conduct a study on the prevalence and mortality of cancer among military rotary wing pilots and aviation support personnel, and for other purposes. — Official Title as Introduced
- ROTOR Act — Short Title(s) as Introduced
- Rotary-wing Operator Toxic Occupational Research Act — Short Title(s) as Introduced
Lobbying
6 clients hired 7 firms and 15 registered lobbyists who named H.R. 4704 in 24 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Science/Technology, Aviation/Airlines/Airports, Defense, Urban Development/Municipalities, Telecommunications, Budget/Appropriations, Foreign Relations, Government Issues.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| AMERICAN SECURITY FUND | Nonprofit advocating for artificial intelligence safety and biosecurity | Virginia | 2 | 11 | $300K |
| CITY OF DENTON | General purpose local government | Texas | 1 | 4 | $40K |
| GOGO INC. | In-flight connectivity provider serving business and military/gov aviation markets. | Colorado | 1 | 3 | — |
| SOUTHWEST AIRLINES PILOTS' ASSOCIATION | — | Texas | 1 | 3 | — |
| HONEYWELL INTERNATIONAL, INC. | Aviation technology and aviation safety | North Carolina | 1 | 2 | $160K |
| WITH HONOR ACTION, INC. | — | Virginia | 1 | 1 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| ALLEGIANCE STRATEGIES, LLC | 1 | 6 | $180K |
| UPTOWN STRATEGIES INC. (FKA UPTOWN SOLUTIONS LLC) | 1 | 5 | $120K |
| CAPITALEDGE STRATEGIES, LLC | 1 | 4 | $40K |
| GOGO INC. | 1 | 3 | — |
| SOUTHWEST AIRLINES PILOTS' ASSOCIATION | 1 | 3 | — |
| HOLLAND & KNIGHT LLP | 1 | 2 | $160K |
| WITH HONOR ACTION, INC. | 1 | 1 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| TYLER DEATON | 1 | 1 | 6 |
| GRACEY ROSKAM | 1 | 1 | 5 |
| RALPH GARBOUSHIAN | 1 | 1 | 4 |
| DANIEL MARTEN | 1 | 1 | 3 |
| DEREK TATE | 1 | 1 | 3 |
| KYLE MOORE | 1 | 1 | 3 |
| NOAH CHERRY | 1 | 1 | 3 |
| WILLIAM HANCOCK | 1 | 1 | 3 |
| LIAM MCENROE | 1 | 1 | 2 |
| MICHAEL FRIEDBERG | 1 | 1 | 2 |
| SARA PETERS | 1 | 1 | 2 |
| JARED SMITH | 1 | 1 | 1 |
| JOEL ROBERSON | 1 | 1 | 1 |
| KAYLAN SWARTZ | 1 | 1 | 1 |
| SCOTT COOPER | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| SOUTHWEST AIRLINES PILOTS' ASSOCIATION | SOUTHWEST AIRLINES PILOTS' ASSOCIATION | 2026 first_quarter | $300K | 1st Quarter - Report |
| WITH HONOR ACTION, INC. | WITH HONOR ACTION, INC. | 2026 second_quarter | $140K | 2nd Quarter - Report |
| SOUTHWEST AIRLINES PILOTS' ASSOCIATION | SOUTHWEST AIRLINES PILOTS' ASSOCIATION | 2025 fourth_quarter | $140K | 4th Quarter - Report |
| SOUTHWEST AIRLINES PILOTS' ASSOCIATION | SOUTHWEST AIRLINES PILOTS' ASSOCIATION | 2026 second_quarter | $100K | 2nd Quarter - Report |
| GOGO INC. | GOGO INC. | 2026 second_quarter | $90K | 2nd Quarter - Report |
| GOGO INC. | GOGO INC. | 2026 first_quarter | $90K | 1st Quarter - Report |
| GOGO INC. | GOGO INC. | 2025 fourth_quarter | $90K | 4th Quarter - Report |
| HONEYWELL INTERNATIONAL, INC. | HOLLAND & KNIGHT LLP | 2026 second_quarter | $80K | 2nd Quarter - Report |
| HONEYWELL INTERNATIONAL, INC. | HOLLAND & KNIGHT LLP | 2026 first_quarter | $80K | 1st Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2026 second_quarter | $30K | 2nd Quarter - Report |
| AMERICAN SECURITY FUND | UPTOWN STRATEGIES INC. (FKA UPTOWN SOLUTIONS LLC) | 2026 second_quarter | $30K | 2nd Quarter - Report |
| AMERICAN SECURITY FUND | UPTOWN STRATEGIES INC. (FKA UPTOWN SOLUTIONS LLC) | 2026 first_quarter | $30K | 1st Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2026 first_quarter | $30K | 1st Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2025 fourth_quarter | $30K | 4th Quarter - Report |
| AMERICAN SECURITY FUND | UPTOWN STRATEGIES INC. (FKA UPTOWN SOLUTIONS LLC) | 2025 fourth_quarter | $30K | 4th Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2025 third_quarter | $30K | 3rd Quarter - Report |
| AMERICAN SECURITY FUND | UPTOWN STRATEGIES INC. (FKA UPTOWN SOLUTIONS LLC) | 2025 third_quarter | $30K | 3rd Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2025 second_quarter | $30K | 2nd Quarter - Report |
| AMERICAN SECURITY FUND | ALLEGIANCE STRATEGIES, LLC | 2025 first_quarter | $30K | 1st Quarter - Report |
| CITY OF DENTON | CAPITALEDGE STRATEGIES, LLC | 2026 second_quarter | $10K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 4704 under Armed Forces and National Security, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 4704’s is Armed Forces and National Security.
hr4704/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 4704, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 126 (Wednesday, July 23, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. McCORMICK:H.R. 4704.Congress has the power to enact this legislation pursuantto the following:Clause 18 under Article I, Section 8 of the Constitution[Page H3649]
Source: congress.gov · legiscan.com