The Defence Headquarters said on Thursday troops have recovered two calibrated aircraft engines from a longtime unidentified aircraft crash site in the North-East.
The Director of Defence Media Operations, Maj.-Gen. Markus Kangye, disclosed this while briefing journalists on the operations of the armed forces in Abuja.
Kangye said the recovered aircraft engines had been handed over to the Nigerian Air Force for further investigation.
He added that the troops killed 88 suspected terrorists in the last week.
The spokesman also revealed that troops arrested 138 suspects, rescued 46 kidnapped hostages and recovered 104 and 2,639 assorted weapons and ammunition during the period.
He listed the recovered arms and ammunition to include 55 AK47 rifles, 20 locally fabricated guns, eight Dane guns, 18 pump action guns, 1,826 rounds of 7.62mm special ammo and 376 rounds of 7.62mm NATO and 366 rounds of 7.62 x 12.7mm ammo.
Others are 26 cartridges as well as other 14 assorted arms and 45 assorted ammunition.
Kangye said: “In the North-East, troops of Operation Hadin Kai recorded the surrendering of 65 terrorists comprising 12 adult males, 19 adult females and 34 children within the theatre of operation.
“The troops neutralised 22 terrorists, arrested 13 others and rescued 34 kidnapped hostages, as well as recovered a cache of arms and ammunition.
“In the North-West, troops of Operation FASAN YAMMA neutralised 58 terrorists, arrested 11 others and rescued 16 kidnapped hostages.
“Under Operation WHIRL PUNCH, troops apprehended 51 violent extremists/criminals and recovered arms and other items.
“In the North-Central, troops of Operation Safe Haven neutralised one, apprehended 51 violent extremists and rescued 11 kidnapped hostages during the period.”