The Colorado River reservoir supplies water and power to millions of Southwestern residents.
The latest videos released show a mysterious object flying over a residential area and an orb shooting past a military vessel.
His comment comes after NPR retracted a June report that incorrectly stated that the 76-year-old justice was retiring.
The California company believes hybrid electric aircraft will outperform fully electric planes that use heavy electric batteries.

Thousands of bottles of cetirizine hydrochloride are under recall due to cross-contamination, according to a notice.
The decision came after a Supreme Court ruling in favor of the Trump administration in June.
The school used essay questions about race to identify minority candidates and tag those applications for special consideration, according to the DOJ.
The Eaton fire was caused by electrical arcing on the utility’s out-of-service tower atop a ridge covered with dry fuel.
The senior House Republican also called for U.S.–Taiwan drone co-production as Taipei considers a $6.7 billion unmanned systems plan.

Sens. Chris Murphy, Adam Schiff, Tina Smith, and Elizabeth Warren want colleagues to promote an economic populist agenda instead of focusing on Trump.
The president acknowledged tighter inventories of some munitions but said the U.S. military remained in ‘great shape’ overall.
State health officials said contaminated produce is likely no longer in circulation.
The administration is setting minimum import prices to prevent Chinese companies from dumping products in the U.S. market, Commerce Secretary Lutnick said.
‘We are removing unnecessary bureaucracy,’ the health secretary said.
The proposed arrangement would shift a significant portion of commercial traffic into Iranian waters, according to officials in Tehran.
The pilot program will begin with certain applicants from the Dominican Republic who had been previously denied on public charge grounds.
The federal court order states that temporary protected status (TPS) for those nationals has expired.
The Treasury Department said that it will likely allow for more employees to take paid family leave.
One case tests whether federal law bars some state climate lawsuits; the other, whether prolonged immigration detention requires a bond hearing.
Rep. Marie Gluesenkamp Perez (D-Wash.), a Blue Dog Democrat, has faced challengers to her left and her right.
Assuming all Democratic senators vote no, Blanche can only afford to lose two Republicans.