![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine enjoys a break while working at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/53b3930f46ec4b899b4aab45c02c4663/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine enjoys a break while working at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, who works with handler Jonathan Lilly, walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/fe6d94a2966240a98ca333e34ca66c61/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, who works with handler Jonathan Lilly, walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, reacts as a decoy with explosive odors walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/a0b3084fd70540bdb7ecdedd226274fb/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, reacts as a decoy with explosive odors walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, is rewarded after screening passengers in the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/10f494e0ab9242ed85cd8ea72cea1a38/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, is rewarded after screening passengers in the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, screens passengers walking through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/fdbf4c834ea744a59dee280fd87f5149/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, screens passengers walking through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, reacts as a decoy with explosive odors walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/824384cb7d6144ea9826b0e68e716efb/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, reacts as a decoy with explosive odors walks through the ticketing area at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)
![Stephanie Scarbrough Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, enjoys a break while at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)](https://mapi.associatedpress.com/v2/items/e981a30c58e64b8eb9766000f5f5747f/preview/preview.jpg?s=680x&wm=false)
Argo, a Transportation Security Administration explosives detection canine, working with handler Jonathan Lilly, enjoys a break while at Baltimore/Washington International Thurgood Marshall Airport, Monday, Dec. 9, 2024, in Baltimore. (AP Photo/Stephanie Scarbrough)