US Air Force Flies the Most Modern Aircraft (But Trains with 42

Yes, you read that correct. 

HLFT-42 to transform training of Indian Air Force pilots: HAL officials

U.S. Air Force The Heritage Foundation

Ukraine F-16 Speculation Mounts as Russia Loses 8 Fighter Jets in 3 Weeks

Pentagon Releases Video of U.S. Drone's Encounter With Russian Jets - The New York Times

Chronology: 1990-1999 Air & Space Forces Magazine

How Air Force Pilots Fly The Controversial $19 Million A-10 Warthog, Boot Camp

US Air Force F-35s Train for Threats Even Tougher Than Those in Ukraine

HAL to develop a new advanced fighter jet trainer for the IAF - Defence News

Talon The National Interest

Availability and Use of Aircraft in the Air Force and Navy

USAF and Russian Air Force - A Comparison

Royal Canadian Air Force

Northrop T-38 Talon - Wikipedia

Boeing B-29 Superfortress - Wikipedia