NORAD said it also identified a Russian A-50 airborne early warning and control aircraft supporting the intercepted aircraft.
Multiple recent incidents pose the risk of escalation into open conflict, the U.S. warns.
The North American Aerospace Defense Command and U.S. Northern Command are closely monitoring the submarine.
Congress passed the Dingell Act, expanding the window to apply for land and removing the occupancy provision.
Maj. Michael "Cal" Gentry, commander of the 354th Contracting Squadron at Eielson Air Force Base, died at the scene.
The C-124 smashed into Mount Gannett north of Anchorage on Nov. 22, 1952, killing all 41 passengers and 11 crew members.
US warplanes intercepted four Russian reconnaissance aircraft near Alaska on Saturday, US commanders said.
The so-called "Magic Bus" had become a dangerous tourist destination deep in Alaska's interior.
U.S. F-22 Raptors scrambled once again to conduct two intercepts of Tu-95 bombers off the coast of Alaska.
The officials said they believe Anchorage meets eligibility requirements and would be competitive in the evaluation process.
There are nearly 15 million American males between the ages of 63 and 78. Approximately 5.5 million are Vietnam-era veterans.
In a letter to VA Secretary Robert Wilkie, Rep. Elaine Luria, D-Va., said the plan was developed with no notice to Congress.
Nearly half of the more than 69,000 claims for "Blue Water Navy" Agent Orange benefits have been processed.
About 200 soldiers going through Basic Combat Training at Sill were issued a full Army Green Service Uniform.
The operations halt follows a pair of recent crashes, including one that killed two military officers.