Hi, sadly no one got all the answers right to our last quiz so I'll put you out of your misery with the answers:
A. Nord-Aviation 5000 Harpon (to be featured in Hush-Kit Book Vol 2)
B. Sukhoi T-12 (to be featured in Hush-Kit Book Vol 2)
C. P-51D Mustang
New quiz (add answers below in comments)
1. What do these aircraft have in common? 
2. Name three Su-25 national air arms that have not been involved in any military conflict in the last 23 years
3. Name three countries (not in Australasia) that do not border any former or current Hip helicopter operators?
4. What was the only (purely) piston-engined Soviet fighter aircraft to exceed 450mph? (amazing artwork of this is The Hush-Kit Book of Warplanes Vol 2)
5. Which one of the following aircraft was never fitted with a 27-mm Mauser cannon?
A. Eurofighter Typhoon
B. English Electric Lightning
C. Vulcan
D. Harrier
6. Name three non-Soviet/Russian munitions that can be used by a MiG-29
7. In what year and with which air force were the final Avro Lincolns retired?
8. Which fixed wing jet combat aircraft has been used by Ethiopia, Sweden, Australia and Peru?
9. Which aircraft designer resided in a religious commune in Switzerland, living the "simple life of a holy man" until May 1968?
10. Wingspan of 70 feet, a top speed of 358mph,102 airframes created - what is it?
By the way, do grab The Hush-Kit Book of Warplanes Vol 2 from here if you haven't already.
Cheers
HK