Key Takeaways:
- Mexican forces have grounded four commercial drones since September 7 under Operation Águila Alta, a joint anti-drone effort with the U.S. that formally winds down September 21 — none were intercepted on the American side.
- Presidents Trump and Sheinbaum spoke by phone on September 16. Sheinbaum called it a "very good" conversation and said a trade deal is moving forward, but gave no terms or timeline.
- A fourth round of USMCA-related talks is now set for September 28-29 in Washington, as both governments race to land an interim deal before the November 3 midterms — while Mexican steel still faces a 50% U.S. tariff versus 15% for Japan and the EU.
Two separate clocks are running on the U.S.-Mexico relationship this month, and both sped up this week. On the ground, Mexican troops pulled a fourth drone out of the sky along the Tijuana-San Diego border in under two weeks. On the phone, Donald Trump and Claudia Sheinbaum traded what she described as a friendly call, and both governments are now signaling momentum toward a trade deal neither will describe in detail.
What Mexico Has Grounded So Far
Defense Secretary Ricardo Trevilla Trejo told reporters at President Sheinbaum's September 18 morning briefing that four drones have been disabled on Mexican soil since the operation's active phase began September 7. None carried weapons or explosives; Mexican officials say they were being used to track migrant-smuggling routes and monitor law enforcement movements. Trevilla was blunt about the American side of the ledger: U.S. agencies, he said, "have not disabled a single drone" during the same window. The binational effort, known as Operation Águila Alta (High Eagle), runs in two tracks — coordination from August 31 to September 2, then active ground patrols and detection since September 7, with each country working strictly inside its own territory.
The scale behind those four intercepts is substantial: roughly 800 Mexican troops are patrolling the corridor, backed by jamming equipment with a three-kilometer range, covering a five-kilometer stretch centered on the Mesa de Otay crossing. "We're talking about roughly 800 personnel patrolling," Trevilla said. One of the four cases ended in an arrest: on September 14, a drone that had crossed from U.S. territory into Tijuana's Nido de las Águilas neighborhood was tracked down, and its operator was detained carrying a handgun, ammunition magazines, cartridges and the drone's remote control, according to Mexican military and U.S. embassy accounts.
Washington's Read: "One Step Ahead"
U.S. Ambassador Ronald Johnson publicly praised that arrest on social media, framing the cooperation as evidence the shared border is "making our border safer" through intelligence-sharing between U.S. Customs and Border Protection and Mexico's defense ministry. It's a notably warmer message than the one Secretary of State Marco Rubio delivered earlier in the month, when he said Mexico's fight against cartels still fell short.
The security story unfolded alongside a separate, and arguably bigger, trade story. Sheinbaum told her Friday press conference that she and Trump spoke by phone on Wednesday, September 16 — a call, she said, "we had scheduled" — and that Foreign Secretary Roberto Velasco and Economy Secretary Marcelo Ebrard also took part. She declined to name figures or a closing date, saying only that both sides had reached "some agreements" that wouldn't be announced until a final deal exists. She also noted that this was one of at least 22 calls with Trump since taking office, and specifically said security was not on this particular agenda — a distinction that matters given what else landed in Washington that same week (more on that below).
A Meeting Date That Kept Slipping
The fourth formal round of bilateral talks tied to the USMCA review had been penciled in for the week of September 21. It has now moved to September 28 and 29 in Washington, according to reporting that traces back to The Wall Street Journal and has been echoed by roughly a dozen Mexican outlets since. Neither government has explained the delay publicly.
What's driving the rush is a tariff gap that's hard to ignore. Under Section 232 national-security tariffs, Mexican steel exported to the U.S. still faces a 50% duty and vehicles a 25% duty — rates well above the 15% Washington has since negotiated with Japan, the European Union and South Korea, and the 10% given to the United Kingdom. Six sources on both sides of the border told Reuters the two governments are moving faster because talks between the U.S. and Canada collapsed last month. "We both want to reach a deal before the midterms," one source close to the talks said. Auto-industry sources cited in that same reporting say the framework on the table would mirror what was nearly finalized with Canada: a 15% baseline tariff on vehicles, falling toward an effective 7% depending on how much U.S.-made content — engines, electronics, software — ends up in Mexican-built cars.
A Separate Kind of Pressure, Same Week
The trade talk wasn't the only signal out of Washington that week. In a legally required annual report to Congress on the world's major drug-transit countries, Trump wrote that Mexico needs to "expose, arrest and prosecute" corrupt officials tied to cartel activity, even while acknowledging recent security gains, including the killing of Jalisco cartel leader Nemesio "El Mencho" Oseguera. The document and the trade call arrived days apart, but nothing in either record shows the two are formally linked — it's a coincidence of timing that both governments have so far declined to connect publicly.
What's Still Unresolved
Neither track has a guaranteed finish line. Águila Alta's current phase ends Monday with no confirmed third stage. The broader trade relationship, meanwhile, is already operating without a safety net: after Washington declined to automatically extend the USMCA on July 1, the pact entered a cycle of annual reviews that runs through 2036. It's also worth remembering Mexico is negotiating from a weaker credit position than a year ago — Moody's downgraded the country's sovereign rating in May, though that shift predates this month's talks and isn't a new development. Between now and November 3, expect both storylines — drones over the border and draft tariff schedules in Washington — to keep moving on parallel, overlapping timelines.
