Bad history with used gear
The only used air-crafts Egypt ever had were F-4 phantom after peace agreement with Israel
* Egypt received 34 ex-USAF F-4Es in 1979 under Operation PEACE PHAROAH, as a reward from the US for signing the American-brokered peace treaty with Israel. US President Jimmy Carter had originally offered Northrop F-5E/Fs, but Egyptian President Anwar Sadat replied that Egypt wanted more formidable aircraft.
The Phantoms were supplied with a stock of up-to-date Sidewinders, Mavericks, and most significantly much-improved AIM-7F Sparrow III AAMs, providing the Egyptian Air Force (EAF) with a potent long-range AAM capability. EAF pilots were given a quick flight instruction course at George AFB in California.
Providing the Phantoms to Egypt was a politically astute move, since at the time the Phantom was still recognized as a first-line combat aircraft. The Egyptian public saw it as a sign that the US wanted to treat Egypt on an equal basis with Israel. The Phantoms were also the beginning of a process that would convert the EAF from an air force based mostly on Soviet equipment to one based mostly on US gear.
However, the Phantom was not popular with the EAF. EAF pilots had traditionally flown smaller, more agile aircraft like the MiG-21 and the Dassault Mirage 5, so the hulking Phantom was a bit much to swallow. When President Sadat asked one EAF officer what he thought of the F-4E, the officer replied: "Excellent bird, but it maneuvers like a loaded truck, Mr. President." EAF maintenance personnel had an even harder time with the Phantom. They were used to dealing with Soviet types, which were generally designed to be simple and easy to maintain, and the complicated F-4E was a pain. Maintenance was also complicated by a lack of funds for spare parts.
About 80% of the EAF's Phantoms were soon grounded and Egypt considered selling them to Turkey, but in 1982 the USAF sent an advisory team to Egypt to help get the situation under control. Egypt was much happier with the Phantom after that, and even acquired seven more F-4Es in 1988, though by that time the EAF was mostly committed to the F-16 as their first-line fighter. Apparently three more F-4Es were also provided as attrition replacements.
In addition there is no need to acquire any used Mirage-2000s or F-16s ..
The latest batches of F-16 Block 50/52 were just to upgrade EAF's existing fleet.
The 24 F-16s would replace some of the other 220 F-16s of varying capability that Egypt has acquired on five separate occasions beginning in 1980 under direct U.S. Foreign Military Sales.
Egypt has acquired a total of 220 of those jets since 2002 (42
block 15 F-16A/B, 40
block 32 F-16C/D and 138
block 40 F-16C/D).